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Montana Field Guide

Montana Field Guides

Obscure Cat's-eye - Cryptantha ambigua

Native Species

Global Rank: G4
State Rank: SNR
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Annual. Stems usually branched, 5–25 cm. Herbage hirsute and hispid. Leaves linear, 5–35 mm long. Inflorescence ebracteate. Flowers: calyx hispid, hirsute, 5–6 mm long in fruit; corolla 2–4 mm long. Nutlets 4, ovate, 1–2 mm long, muricate; scar closed, widened at the base (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
BC, MT south to CA, UT and 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: 17

(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 gravelly soil or talus of grasslands, sagebrush steppe, woodlands, outcrops; valleys, montane, rarely 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.
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Citation for data on this website:
Obscure Cat's-eye — Cryptantha ambigua.  Montana Field Guide.  .  Retrieved on , from