Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Stemless Four-nerve-daisy - Hymenoxys acaulis
Other Names:  Tetraneuris acaulis


Global Rank: G5
State Rank: S4S5

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

External Links






 
General Description
Caudex usually branched, often mat-forming. Stems simple, erect, scapose, 4–15 cm. Herbage sparsely to densely villous. Leaf blades linear-oblanceolate to oblong, entire, 1–5, cm long. Heads solitary; involucres 5–10 mm high; phyllaries subequal, lanceolate, densely villous, sometimes purple-tipped. Ray ligules 6–10 mm long. Disk corollas 3–5 mm long, puberulent. Achenes 2–4 mm long; pappus scales 5 to 8 (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety acaulis. Lesica (2012) treats this species in the genus Tetraneuris.

Species Range
Present
 


Range Comments
AB, SK south to NM and TX (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 80

(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
Stony soil of grasslands, stream terraces; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Stemless Four-nerve-daisy — Hymenoxys acaulis.  Montana Field Guide.  .  Retrieved on , from