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Montana Field Guide

Montana Field Guides

Fuzzy-tongue Penstemon - Penstemon eriantherus

Native Species

Global Rank: G4G5
State Rank: S4S5

Agency Status
MNPS Threat Rank:

External Links

General Description
Stems ascending to erect, 5–30 cm. Herbage puberulent. Basal leaf blades oblanceolate to linear-oblanceolate, usually serrate, 2–6 cm long. Stem leaves lanceolate to linear-lanceolate, 2–6 cm long. Inflorescence crowded, of 2 to 6 glandular-villous verticillasters. Flowers: calyx 6–12 mm long; sepals lanceolate, not scarious; corolla lavender to pinkish with purple lines, yellow-bearded within, 15–30 mm long, upper portion of tube expanded; anthers glabrous, opening across their full length; staminode long-hairy. Capsule 6–12 mm long, glandular-pubescent (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Variety redactus and variety eriantherus occur in Montana, though the distinction between the two varieties is weak.

Species Range

Range Comments
BC, AB south to OR, CO and NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 153

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Stony soil of grasslands, sagebrush steppe, woodlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • 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.
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Citation for data on this website:
Fuzzy-tongue Penstemon — Penstemon eriantherus.  Montana Field Guide.  .  Retrieved on , from