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Montana Field Guide

Montana Field Guides

Bicolor Biscuitroot - Lomatium bicolor

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Potential Species of Concern
Native Species

Global Rank: G4
State Rank: S3S4
State Threat Score: No Known Threats
C-value: 7


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Plants caulescent from a linear-thickened taproot. Stems ascending to erect, 2-15 cm. Herbage minutely scabrous. Leaf blades ovate in outline, ca. triternate or tripinnate; ultimate segments crowded, linear 1-3 x 0.2-0.5 mm. Umbels: peduncle 7-20 cm; rays unequal, 2-8 cm long; umbellets congested; involucel bracts absent or solitary, linear, 1-2 mm long. Flowers yellow. Mericarps glabrous, lance-elliptic, 7-12 mm long; marginal wings ca 0.5 mm wide; oil tubes inconspicuous. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Ravalli and Sanders Counties. ID, MT south to UT, CO. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

(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
Shallow soil of rock outcrops in meadows, open forest; montane, lower subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Bicolor Biscuitroot"
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Citation for data on this website:
Bicolor Biscuitroot — Lomatium bicolor.  Montana Field Guide.  .  Retrieved on , from