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Montana Field Guide

Montana Field Guides

Common Sainfoin - Onobrychis viciifolia

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

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

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General Description
Deep-rooted perennial with a branched caudex. Stems erect, 30–70 cm. Herbage glabrous to sparsely villous, minutely punctate. Leaves petiolate, odd-pinnate with 15 to 21 narrowly elliptic to oblong leaflets 1–2 cm long with rounded, mucronate tips; stipules brown-hyaline, 5–11 mm long, connate below with deltoid lobes. Inflorescence dense, axillary, bracteate racemes 3–12 cm long with spreading flowers. Flowers papilionaceous, magenta; calyx tube ca. 2 mm long, the narrowly lanceolate lobes 3–5 mm long; banner reflexed, 10–12 mm long, ca. equal to the prominent, prow-shaped keel; wings 3–4 mm long; stamens of lower flowers 9 united, 1 separate, those of upper flowers all united. Fruit 1-seeded, flattened, ovate, veiny, 5–7 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Widely introduced in North America for forage and hay; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
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Citation for data on this website:
Common Sainfoin — Onobrychis viciifolia.  Montana Field Guide.  .  Retrieved on , from