Flora of North America species comparison

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Sorbaria sorbifolia

false spiraea, sorbaire à feuilles de sorbier
Habit Plants 10–30 dm.
Leaves

blade 14–30 × 5–17 cm;

leaflets (9–)11–21(–29), oblong-ovate to elliptic, (25–)35–75(–95) × (8–)12–20(–25) mm, abaxial surface glabrous or ± sparsely stipitate-stellate, adaxial with some simple hairs near margins, otherwise glabrous.
Inflorescences

(7–)10–15(–34) × (3–)4–7(–14) cm.
Pedicels

(and axes) usually puberulent, stipitate-glandular, less often stipitate-stellate.
Flowers

10–14 mm diam. (anther tip to tip);

hypanthium puberulent, hirtellous, stellate, or glabrous;

sepals ovate to oblong-ovate, margins often glandular-serrate;

petals ovate to orbiculate, 2.7–4.3 × 2.1–3.4 mm;

stamens 20–35[–50], 2–6.5 mm (of variable length);

ovaries sericeous, styles 1.3–3.5 mm.
Follicles

4.5–6 mm, sericeous.
2n

= 36.

Sorbaria sorbifolia
Phenology Flowering Jun–Jul.
Habitat Roadsides, old fields, waste areas, overgrown forest margins
Elevation 10–500 m (0–1600 ft)
Distribution
from FNA
CT; IA; IN; MA; ME; MI; MN; NH; NJ; NY; OH; PA; RI; TN; VA; VT; WA; WI; WV; AB; MB; NB; NS; ON; PE; QC; SK; YT; Asia (n China, Japan, Korea, Manchuria, e Siberia) [Introduced in North America; introduced also in Europe]
[WildflowerSearch map]
[BONAP county map]
Discussion

Sorbaria sorbifolia is cultivated in North America and Europe. The plants are always colonial and are capable of becoming adventive.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 9, p. 397.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Sorbarieae > Sorbaria
Sibling taxa
S. kirilowii
Synonyms Spiraea sorbifolia, S. sorbifolia var. stellipila, S. stellipila
Name authority (Linnaeus) A. Braun: in P. F. A. Ascherson, Fl. Brandenburg 1: 177. (1860)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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