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Montana Field Guide

Montana Field Guides

Plains Spring-parsley - Cymopterus acaulis


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Stems solitary or few pseudoscapes, 0.5–8 cm, barely reaching above ground. Herbage glabrous. Leaves with long petioles, dilated basally, whorled at the top of the pseudoscape; blades ovate in outline, bipinnate, 1–10 cm long; ultimate divisions linear, uncrowded. Umbels usually several, dense; peduncles 2–12 cm long; rays 2–7 mm long; involucre absent; involucel bracts lanceolate, 2–8 mm long, united basally on one side of the umbellet. Flowers white, flowering early; sepals ca. 0.5 mm long. Mericarps 7–11 mm long, elliptic, glabrous; wings 1–2 mm wide, wavy; oil tubes several in the intervals (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
SK to MN south to OR, AZ, TX and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 23

(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
Sandy or clay soil of grasslands, sagebrush steppe; plains (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Plains Spring-parsley — Cymopterus acaulis.  Montana Field Guide.  .  Retrieved on , from