Spiraea stevenii (C. K. Schneider) Rydberg in N. L. Britton et al. (Q4426)
Jump to navigation
Jump to search
Spiraea stevenii is a taxon with the rank species within the genus Spiraea
Language | Label | Description | Also known as |
---|---|---|---|
English |
Spiraea stevenii (C. K. Schneider) Rydberg in N. L. Britton et al.
|
Spiraea stevenii is a taxon with the rank species within the genus Spiraea
|
Statements
taxon/id/Spiraea stevenii (C.K. Schneider) Rydberg
0 references
Spiraea stevenii (C.K. Schneider) Rydberg
Spiraea stevenii
(C.K. Schneider) Rydberg
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
1 reference
CA-BC
1 reference
Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-YT
1 reference
Cody, W.J., K.L. Reading & J.M. Line. 2003. Additions and range extensions to the vascular plant flora of continental Northwest Territories and Nunavut, Canada, II. Canadian Field-Naturalist 117: 448-465. http://www.biodiversitylibrary.org/item/109475#page/464/mode/1up
CA-NT
1 reference
Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-BC
1 reference
CA-NT
1 reference
CA-YT
1 reference
US-AK
1 reference
Shrubs, 1–10 dm.
1 reference
Stems ascending to prostrate, rarely dying to ground, rarely branched.
1 reference
Leaves: petiole 0.5–6 mm;
1 reference
blade ovate to elliptic, 1–6 × 0.5–2.5 cm, membranous, base obtuse, margins regularly to irregularly serrulate on distal 1/4–1/2 to crenate or entire (long-shoot leaves sometimes serrate on full blade), teeth rounded, number of primary and secondary serrations 0–1 times number of secondary-veins (excluding inter-secondary veins), venation pinnate cladodromous, secondary-veins not prominent, apex obtuse, surfaces glabrous.
1 reference
Inflorescences mostly terminal, corymbiform (dense), 1–3 [–5] × 0.5–3 [–5] cm height usually 1 times diam.;
1 reference
branches rarely in axils of leaves, usually glabrous or puberulent, sometimes villous.
1 reference
Pedicels 1–5 (–8) mm, usually glabrous or puberulent, sometimes villous.
1 reference
Flowers 4–6 mm diam.;
1 reference
hypanthia hemispheric, 0.7–1 mm, abaxial surface puberulent to pubescent, adaxial glabrate to pubescent;
1 reference
sepals triangular, 1–1.5 mm;
1 reference
petals white, orbiculate, 1.5–2.5 mm;
1 reference
staminodes 10–12;
1 reference
stamens 18–22, 2 times petal length.
1 reference
Follicles oblanceoloid, 2.5–3.5 mm, puberulent.
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
serrulate
regularly to irregularly
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference