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Montana Field Guide

Montana Field Guides

Stiff-leaf Beardtongue - Penstemon aridus


Global Rank: G5?
State Rank: S4S5

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

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General Description
Stems 5–25 cm. Herbage glabrous to puberulent on the stems. Basal leaf blades densely clustered, linear or linear-oblanceolate, entire, 1–5 cm long. Stem leaves linear, entire, 1–5 cm long. Inflorescence of 1 to 5, open, few-flowered, sparsely glandular verticillasters. Flowers: calyx often bluish, 3–6 mm long; sepals lanceolate to ovate, sometimes erose- and scarious-margined; corolla blue, 10–18 mm long, glandular; anthers glabrous, opening across their full length. Capsule 4–7 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Endemic to southwest MT, adjacent ID and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 115

(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
Rocky soil of grasslands, sagebrush steppe, woodlands, exposed ridges, slopes; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Stiff-leaf Beardtongue — Penstemon aridus.  Montana Field Guide.  .  Retrieved on , from