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Montana Field Guide

Montana Field Guides

Lyall Beardtongue - Penstemon lyallii


Global Rank: G4
State Rank: S3S4
* (see State Rank Reason below)

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

External Links






State Rank Reason (see State Rank above)
Regional endemic of northwestern Montana, northern Idaho, southwestern Alberta and southeastern BC. Many populations, but populations tend to be small.
 
General Description
Stems ascending to erect, often woody at the base, 10–60 cm. Herbage puberulent at least on the stems. Leaves all cauline, narrowly lanceolate, obscurely serrate, 2–12 cm long, mostly sessile, smaller and petiolate below. Inflorescence glandular-pubescent, open-paniculate. Flowers: calyx 9–18 mm long; sepals narrowly lanceolate, not scarious; corolla pale lavender, 25–40 mm long, glabrous, hairy within; anthers wooly-villous, opening across their full length; staminode glabrous. Capsule 1–2 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, AB, WA, ID and MT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 11

(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, sparsely-vegetated soil of talus, rock outcrops, open slopes, often along roads; 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:
Lyall Beardtongue — Penstemon lyallii.  Montana Field Guide.  .  Retrieved on , from