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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
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: 9

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



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



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