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

taxon name

Spiraea thunbergii

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taxon authority

Siebold ex Blume

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taxon rank

species

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taxon status

accepted

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common name

spirée de Thunberg (French)

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Thunberg's meadowsweet (English)

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Thunberg's spiraea (English)

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Thunberg’s meadowsweet (English)

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VasCan taxon numeric id

8985

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distribution

CA-ON

establishment of distribution

occurrence status

present

introduced

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publication

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.

CA-ON

Ont.

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US-AL

Ala.

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US-CT

Conn.

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US-GA

Ga.

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US-KS

Kans.

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US-LA

La.

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US-MD

Md.

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US-MS

Miss.

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US-NE

Nebr.

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US-NY

N.Y.

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US-NC

N.C.

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US-PA

Pa.

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Asia

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parent taxon

Spiraea Linnaeus

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taxon habit

shrub

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GBIF taxon key

3026402

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering Mar–May; fruiting Apr–Oct.

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taxon habitat

abandoned homesteads

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meadows

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roadsides

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pastures

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elevation

0–500 m

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special status

I

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taxon description fragment

Shrubs, 10–20 dm.

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d0_s0

Stems spreading to arching, densely branched.

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d0_s1

Leaves sometimes tardily deciduous;

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d0_s2

petiole 1–2 mm or indistinct;

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d0_s3

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.

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d0_s4

Inflorescences mostly axillary, hemispheric panicles, (2–) 3–7-flowered, sessile on leafless stems in spring, 2–6 × 2–6 cm;

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d0_s5

branches glabrous.

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d0_s6

Pedicels 5–8 mm, glabrous.

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d0_s7

Flowers 6–8 mm diam.;

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d0_s8

hypanthia crateriform, 2–4 mm, abaxial surface glabrous, adaxial glabrous or puberulent;

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d0_s9

sepals ovate-triangular, 1.3–2 mm;

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d0_s10

petals white, obovate to suborbiculate, 2–4 mm;

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d0_s11

staminodes 10–14;

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d0_s12

stamens 18–20, 0.3 times petal length.

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d0_s13

2n = 18.

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d0_s15

morphology statement

whole organism

10

20

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d0_s0

whole organism

growth form

shrub

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d0_s0

stem

orientation

spreading

arching

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d0_s1

stem

branched

densely

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d0_s1

leaf

duration

deciduous

sometimes tardily

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d0_s2

leaf petiole

1

2

1 reference

d0_s3

leaf petiole

prominence

indistinct

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d0_s3

linear

lanceolate

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d0_s4

length

2.5

4

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d0_s4

width

0.3

1

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d0_s4

texture

membranous

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d0_s4

inflorescence phyllaries base

acute

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d0_s4

inflorescence palea margin

serrulate

sharply

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d0_s4

inflorescence palea margin

pinnate

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d0_s4

inflorescence palea margin

eucamptodromous

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d0_s4

inflorescence flower gynoecium pistil style apex

acuminate

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d0_s4

inflorescence

position

axillary

mostly

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d0_s5

stem

leafless

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d0_s5

inflorescence branch

pubescence

glabrous

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d0_s6

inflorescence pedicel

5

8

1 reference

d0_s7

inflorescence pedicel

pubescence

glabrous

1 reference

d0_s7

inflorescence flower

diameter

6

8

1 reference

d0_s8

inflorescence flower hypanthium

crateriform

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d0_s9

inflorescence flower hypanthium

2

4

1 reference

d0_s9

inflorescence flower sepal

ovate-triangular

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d0_s10

inflorescence flower sepal

1.3

2

1 reference

d0_s10

inflorescence flower petal

coloration

white

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d0_s11

inflorescence flower petal

obovate

suborbiculate

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d0_s11

inflorescence flower petal

2

4

1 reference

d0_s11

leaf staminode

quantity

10

14

1 reference

d0_s12

inflorescence flower stamen

quantity

18

20

1 reference

d0_s13

inflorescence flower stamen

length

0.3 times petal length

1 reference

d0_s13

chromosome

quantity

18

1 reference

d0_s15

inflorescence flower petal venation secondary-vein

prominence

prominent

not

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d0_s4

hemispheric

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d0_s5

(2-)3-7-flowered

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d0_s5

sessile

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d0_s5

length

2

6

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d0_s5

width

2

6

1 reference

d0_s5

fruit follicle

oblanceoloid

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d0_s15

fruit follicle

1.5

2

1 reference

d0_s15

fruit follicle

pubescence

glabrous

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