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Montana Field Guide

Montana Field Guides

Bicolor Biscuitroot - Lomatium bicolor

Potential Species of Concern

Global Rank: G4
State Rank: S3S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 1

(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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Bicolor Biscuitroot — Lomatium bicolor.  Montana Field Guide.  .  Retrieved on , from