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Montana Field Guide

Montana Field Guides

Montana Cryptantha - Cryptantha sobolifera


Global Rank: G4?
State Rank: S4
* (see State Rank Reason below)

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

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State Rank Reason (see State Rank above)
Uncommon in Montana, though many of the known collections describe the species as being locally common and the high elevation, rocky, baren habitat generally does not appear to be at risk.
 
General Description
Perennial with a branched caudex. Stems: flowering stems erect, 5–15 cm; short sterile stems 1–3 cm. Herbage villous, hispid. Leaves petiolate, 1–3 cm long; basal and sterile stem leaves spatulate; cauline leaves oblanceolate. Inflorescence short, leafy-bracteate below. Flowers: calyx hispid, puberulent, 5–6 mm long in fruit; corolla 3–5 mm long; fornices yellow. Nutlets 3 or 4, lance-ovate, obscurely ridged dorsally, smooth ventrally, 3–4 mm long; scar long, barely open at the base (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
OR to MT south to CA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 5

(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
Sparsely vegetated, stony soil of exposed slopes, ridges; subalpine, alpine, rarely lower (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Montana Cryptantha — Cryptantha sobolifera.  Montana Field Guide.  .  Retrieved on , from