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Montana Field Guides

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

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Native Species

Global Rank: G5
State Rank: S4S5
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

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 et al. 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
Montana Range Range Descriptions

Native
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 365

(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 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?
    • Harvey, S.J. 1990. Responses of steppe plants to gradients of water soil texture and disturbance in Montana, U.S.A. Ph.D. Thesis. Bozeman, MT: Montana State University. 34 p.
    • 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.
    • Peterson, J.G. 1969. The food habits and summer distribution of juvenile sage grouse in central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
    • Vogel, W. G. 1960. A comparison of three range measurement techniques and a study of the response of native vegetation to protection from sheep grazing. M.S. thesis. Montana State University, Bozeman. 168 pp.
    • Wiman, N.G. 2001. Dynamics of leafy spurge (Euphorbia esula L.) infested plant communities influenced by flea beetles in the Aphthona complex (Colepotera: Chrysomelidae). M.Sc. Thesis. Bozeman, MT: Montana State University. 148 p.
    • Wood, A.K. 1987. Ecology of a prairie mule deer population. Ph.D. Dissertation. Bozeman, MT: Montana State University. 205 p.
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Citation for data on this website:
Stemless Four-nerve-daisy — Hymenoxys acaulis.  Montana Field Guide.  .  Retrieved on , from