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Montana Field Guide

Montana Field Guides

Earth-nut Peavine - Lathyrus tuberosus
Other Names:  Earth-nut Vetchling, Tuberous Vetchling, Tuberous Pea

Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Tuberous and rhizomatous. Stems ascending, 20–60 cm. Leaves with 2 oblanceolate leaflets, 2–4 cm long with a mucronate tip; rachis prolonged into a tendril; stipules linear, ca. 1 cm long. Flowers red; calyx 5–7 mm long; sepals subequal; banner 12–16 mm. Legume 2–4 cm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced sporadically in North America; native to Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 7

(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

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus appositus, Bombus fervidus, Bombus flavifrons, Bombus sitkensis, and Bombus occidentalis (Thorp et al. 1983, Colla and Dumesh 2010, Koch et al. 2012).

Management

References
  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.
    • Koch, J., J. Strange, and P. Williams. 2012. Bumble bees of the western United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 143 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
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Citation for data on this website:
Earth-nut Peavine — Lathyrus tuberosus.  Montana Field Guide.  .  Retrieved on , from