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Montana Field Guide

Montana Field Guides

Bladder-vetch - Sphaerophysa salsula

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Rhizomatous herb. Stems single or clustered, erect, 40–90 cm. Herbage short-strigose. Leaves petiolate, stipulate, odd-pinnate with 15 to 25 elliptic leaflets 5–15 mm long. Inflorescence loosely-flowered, axillary racemes 5–18 cm long. Flowers papilionaceous; brick red, fading to brown; calyx white-strigose; sepals deltoid, ca. 1 mm long; banner 10–14 mm long, erect, ca. as long as the wings and keel; stamens 9 united, 1 separate. Fruit a papery, inflated, ovoid legume, 15–25 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced sparingly in western U.S.; native to Asia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 0

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

Low elevation, mesic sites, often where disturbed; road edges, ditches, alkaline wetlands.

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Citation for data on this website:
Bladder-vetch — Sphaerophysa salsula.  Montana Field Guide.  .  Retrieved on , from