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Montana Field Guide

Montana Field Guides

Common Crown-vetch - Coronilla varia
Other Names:  Purple Crown-vetch, Trailing Crown-vetch, Purple Crownvetch, Securigera varia

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Glabrous, extensively branched perennial. Stems lax to ascending, often clambering, 15–80 cm. Leaves odd-pinnate with 15 to 23 narrowly oblong leaflets 1–2 cm long with rounded, mucronate tips; stipules linear to oblong, 1–5 mm long, distinct. Inflorescence a hemispheric, ebracteate umbel with 6 to 25 spreading flowers on an erect peduncle exceeding the leaves. Flowers white to light purple, papilionaceous; calyx tube ca. 2 mm long; sepals ca. 1 mm long; banner 9–13 mm long, moderately reflexed; keel as long; stamens 9 united, 1 separate. Fruit ascending to erect, 2–6 cm long, linear, constricted between the 3 to 10 seeds (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced across North America for fodder and to stabilize road cuts; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 8

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
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Citation for data on this website:
Common Crown-vetch — Coronilla varia.  Montana Field Guide.  .  Retrieved on , from