Alberta Beardtongue - Penstemon albertinus
(see State Rank Reason below)
MNPS Threat Rank
State Rank Reason (see State Rank above)
Very numerous collections from 15 counties.
Stems ascending to erect, 10–40 cm. Herbage glabrous. Basal leaf blades lanceolate to narrowly ovate, entire to weakly serrate, 1–4 cm long. Stem leaves narrowly lanceolate to oblanceolate, entire to weakly serrate, 15–45 mm long. Inflorescence with 3 to 8 open verticillasters, glabrous to weakly glandular. Flowers: calyx 3–5 mm long; sepals ovate, acute to acuminate, barely scarious-margined; corolla blue, 12–18 mm long, glabrous to glandular; anthers glabrous, opening across their full length. Capsule 3–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Similar to Penstemon wilcoxii, but with the leaves are less prominently toothed, more mat-forming and with a narrower inflorescence. Numerous populations intergrade between these two species.
BC, AB, ID and MT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Strickler, D. 1997. Northwest penstemons. Flower Press, Columbia Falls, Montana. 191 pages.