Difference between revisions of "Spiraea thunbergii Siebold ex Blume (Q4427)"

From Canadian Flora Commons
Jump to navigation Jump to search
(‎Changed an Item)
(‎Changed an Item)
 
(One intermediate revision by the same user not shown)
Property / common name
 +
Thunberg’s meadowsweet (English)
Property / common name: Thunberg’s meadowsweet (English) / rank
 +
Normal rank
Property / common name: Thunberg’s meadowsweet (English) / reference
 +
Property / distribution
 +
CA-ON
Property / distribution: CA-ON / rank
 +
Normal rank
Property / distribution: CA-ON / qualifier
 +
Property / distribution: CA-ON / qualifier
 +
Property / distribution: CA-ON / reference
 +
Property / distribution
 +
US-AL
Property / distribution: US-AL / rank
 +
Normal rank
Property / distribution: US-AL / qualifier
 +
Property / distribution: US-AL / qualifier
 +
Property / distribution: US-AL / reference
 +
Property / distribution
 +
US-CT
Property / distribution: US-CT / rank
 +
Normal rank
Property / distribution: US-CT / qualifier
 +
Property / distribution: US-CT / qualifier
 +
Property / distribution: US-CT / reference
 +
Property / distribution
 +
US-GA
Property / distribution: US-GA / rank
 +
Normal rank
Property / distribution: US-GA / qualifier
 +
Property / distribution: US-GA / qualifier
 +
Property / distribution: US-GA / reference
 +
Property / distribution
 +
US-KS
Property / distribution: US-KS / rank
 +
Normal rank
Property / distribution: US-KS / qualifier
 +
Property / distribution: US-KS / qualifier
 +
Property / distribution: US-KS / reference
 +
Property / distribution
 +
US-LA
Property / distribution: US-LA / rank
 +
Normal rank
Property / distribution: US-LA / qualifier
 +
Property / distribution: US-LA / qualifier
 +
Property / distribution: US-LA / reference
 +
Property / distribution
 +
US-MD
Property / distribution: US-MD / rank
 +
Normal rank
Property / distribution: US-MD / qualifier
 +
Property / distribution: US-MD / qualifier
 +
Property / distribution: US-MD / reference
 +
Property / distribution
 +
US-MS
Property / distribution: US-MS / rank
 +
Normal rank
Property / distribution: US-MS / qualifier
 +
Property / distribution: US-MS / qualifier
 +
Property / distribution: US-MS / reference
 +
Property / distribution
 +
US-NE
Property / distribution: US-NE / rank
 +
Normal rank
Property / distribution: US-NE / qualifier
 +
Property / distribution: US-NE / qualifier
 +
Property / distribution: US-NE / reference
 +
Property / distribution
 +
US-NY
Property / distribution: US-NY / rank
 +
Normal rank
Property / distribution: US-NY / qualifier
 +
Property / distribution: US-NY / qualifier
 +
Property / distribution: US-NY / reference
 +
Property / distribution
 +
US-NC
Property / distribution: US-NC / rank
 +
Normal rank
Property / distribution: US-NC / qualifier
 +
Property / distribution: US-NC / qualifier
 +
Property / distribution: US-NC / reference
 +
Property / distribution
 +
US-PA
Property / distribution: US-PA / rank
 +
Normal rank
Property / distribution: US-PA / qualifier
 +
Property / distribution: US-PA / qualifier
 +
Property / distribution: US-PA / reference
 +
Property / distribution
 +
Asia
Property / distribution: Asia / rank
 +
Normal rank
Property / distribution: Asia / reference
 +
Property / phenology
 +
Flowering Mar–May; fruiting Apr–Oct.
Property / phenology: Flowering Mar–May; fruiting Apr–Oct. / rank
 +
Normal rank
Property / phenology: Flowering Mar–May; fruiting Apr–Oct. / reference
 +
Property / taxon habitat
 +
abandoned homesteads
Property / taxon habitat: abandoned homesteads / rank
 +
Normal rank
Property / taxon habitat: abandoned homesteads / reference
 +
Property / taxon habitat
 +
meadows
Property / taxon habitat: meadows / rank
 +
Normal rank
Property / taxon habitat: meadows / reference
 +
Property / taxon habitat
 +
roadsides
Property / taxon habitat: roadsides / rank
 +
Normal rank
Property / taxon habitat: roadsides / reference
 +
Property / taxon habitat
 +
pastures
Property / taxon habitat: pastures / rank
 +
Normal rank
Property / taxon habitat: pastures / reference
 +
Property / elevation
 +
0–500 m
Property / elevation: 0–500 m / rank
 +
Normal rank
Property / elevation: 0–500 m / reference
 +
Property / special status
 +
I
Property / special status: I / rank
 +
Normal rank
Property / special status: I / reference
 +
Property / taxon description fragment
 +
Shrubs, 10–20 dm.
Property / taxon description fragment: Shrubs, 10–20 dm. / rank
 +
Normal rank
Property / taxon description fragment: Shrubs, 10–20 dm. / reference
 +
Property / taxon description fragment
 +
Stems spreading to arching, densely branched.
Property / taxon description fragment: Stems spreading to arching, densely branched. / rank
 +
Normal rank
Property / taxon description fragment: Stems spreading to arching, densely branched. / reference
 +
Property / taxon description fragment
 +
Leaves sometimes tardily deciduous;
Property / taxon description fragment: Leaves sometimes tardily deciduous; / rank
 +
Normal rank
Property / taxon description fragment: Leaves sometimes tardily deciduous; / reference
 +
Property / taxon description fragment
 +
petiole 1–2 mm or indistinct;
Property / taxon description fragment: petiole 1–2 mm or indistinct; / rank
 +
Normal rank
Property / taxon description fragment: petiole 1–2 mm or indistinct; / reference
 +
Property / taxon description fragment
 +
blade linear to lanceolate, 2.5–4 × 0.3–1 cm, membranous, base acute, margins irregularly, sharply serrulate, venation pinnate eucamptodromous, secondary-veins not prominent, apex acuminate, surfaces glabrous.
Property / taxon description fragment: blade linear to lanceolate, 2.5–4 × 0.3–1 cm, membranous, base acute, margins irregularly, sharply serrulate, venation pinnate eucamptodromous, secondary-veins not prominent, apex acuminate, surfaces glabrous. / rank
 +
Normal rank
Property / taxon description fragment: blade linear to lanceolate, 2.5–4 × 0.3–1 cm, membranous, base acute, margins irregularly, sharply serrulate, venation pinnate eucamptodromous, secondary-veins not prominent, apex acuminate, surfaces glabrous. / reference
 +
Property / taxon description fragment
 +
Inflorescences mostly axillary, hemispheric panicles, (2–) 3–7-flowered, sessile on leafless stems in spring, 2–6 × 2–6 cm;
Property / taxon description fragment: Inflorescences mostly axillary, hemispheric panicles, (2–) 3–7-flowered, sessile on leafless stems in spring, 2–6 × 2–6 cm; / rank
 +
Normal rank
Property / taxon description fragment: Inflorescences mostly axillary, hemispheric panicles, (2–) 3–7-flowered, sessile on leafless stems in spring, 2–6 × 2–6 cm; / reference
 +
Property / taxon description fragment
 +
branches glabrous.
Property / taxon description fragment: branches glabrous. / rank
 +
Normal rank
Property / taxon description fragment: branches glabrous. / reference
 +
Property / taxon description fragment
 +
Pedicels 5–8 mm, glabrous.
Property / taxon description fragment: Pedicels 5–8 mm, glabrous. / rank
 +
Normal rank
Property / taxon description fragment: Pedicels 5–8 mm, glabrous. / reference
 +
Property / taxon description fragment
 +
Flowers 6–8 mm diam.;
Property / taxon description fragment: Flowers 6–8 mm diam.; / rank
 +
Normal rank
Property / taxon description fragment: Flowers 6–8 mm diam.; / reference
 +
Property / taxon description fragment
 +
hypanthia crateriform, 2–4 mm, abaxial surface glabrous, adaxial glabrous or puberulent;
Property / taxon description fragment: hypanthia crateriform, 2–4 mm, abaxial surface glabrous, adaxial glabrous or puberulent; / rank
 +
Normal rank
Property / taxon description fragment: hypanthia crateriform, 2–4 mm, abaxial surface glabrous, adaxial glabrous or puberulent; / reference
 +
Property / taxon description fragment
 +
sepals ovate-triangular, 1.3–2 mm;
Property / taxon description fragment: sepals ovate-triangular, 1.3–2 mm; / rank
 +
Normal rank
Property / taxon description fragment: sepals ovate-triangular, 1.3–2 mm; / reference
 +
Property / taxon description fragment
 +
petals white, obovate to suborbiculate, 2–4 mm;
Property / taxon description fragment: petals white, obovate to suborbiculate, 2–4 mm; / rank
 +
Normal rank
Property / taxon description fragment: petals white, obovate to suborbiculate, 2–4 mm; / reference
 +
Property / taxon description fragment
 +
staminodes 10–14;
Property / taxon description fragment: staminodes 10–14; / rank
 +
Normal rank
Property / taxon description fragment: staminodes 10–14; / reference
 +
Property / taxon description fragment
 +
stamens 18–20, 0.3 times petal length.
Property / taxon description fragment: stamens 18–20, 0.3 times petal length. / rank
 +
Normal rank
Property / taxon description fragment: stamens 18–20, 0.3 times petal length. / reference
 +
Property / taxon description fragment
 +
2n = 18.
Property / taxon description fragment: 2n = 18. / rank
 +
Normal rank
Property / taxon description fragment: 2n = 18. / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
morphology statement value: ovate-triangular
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
morphology statement value: 0.3 times petal length
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
morphology statement value: (2-)3-7-flowered
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +

Latest revision as of 13:34, 24 June 2022

Spiraea thunbergii is a taxon with the rank species within the genus Spiraea
Language Label Description Also known as
English
Spiraea thunbergii Siebold ex Blume
Spiraea thunbergii is a taxon with the rank species within the genus Spiraea

    Statements

    taxon/id/Spiraea thunbergii Siebold ex Blume
    0 references
    Spiraea thunbergii Siebold ex Blume
    Spiraea thunbergii
    Siebold ex Blume
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    spirée de Thunberg (French)
    Thunberg's meadowsweet (English)
    Thunberg's spiraea (English)
    Thunberg’s meadowsweet (English)
    1 reference
    Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
    Flowering Mar–May; fruiting Apr–Oct.
    abandoned homesteads
    meadows
    roadsides
    pastures
    Shrubs, 10–20 dm.
    Stems spreading to arching, densely branched.
    Leaves sometimes tardily deciduous;
    petiole 1–2 mm or indistinct;
    blade linear to lanceolate, 2.5–4 × 0.3–1 cm, membranous, base acute, margins irregularly, sharply serrulate, venation pinnate eucamptodromous, secondary-veins not prominent, apex acuminate, surfaces glabrous.
    Inflorescences mostly axillary, hemispheric panicles, (2–) 3–7-flowered, sessile on leafless stems in spring, 2–6 × 2–6 cm;
    branches glabrous.
    Pedicels 5–8 mm, glabrous.
    Flowers 6–8 mm diam.;
    hypanthia crateriform, 2–4 mm, abaxial surface glabrous, adaxial glabrous or puberulent;
    sepals ovate-triangular, 1.3–2 mm;
    petals white, obovate to suborbiculate, 2–4 mm;
    staminodes 10–14;
    stamens 18–20, 0.3 times petal length.