Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Mat-root Beardtongue - Penstemon radicosus

Status Under Review
Native Species

Global Rank: G5
State Rank: SNR

Agency Status
MNPS Threat Rank:

External Links

General Description
Stems ascending to erect, 20–40 cm, woody at the base. Herbage puberulent. Leaves all cauline, narrowly lanceolate, entire, 2–6 cm long, sessile. Inflorescence of 2 to 5 glandular-pubescent, open verticillasters. Flowers: calyx 4–7 mm long; sepals lanceolate, acuminate, scarious-margined; corolla blue, 16–21 mm long, glandular; anthers glabrous, opening across their full length, spreading, V-shaped. Capsule 5–8 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
ID, MT south to NV, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 24

(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)


  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • 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.
  • Web Search Engines for Articles on "Mat-root Beardtongue"
Login Logout
Citation for data on this website:
Mat-root Beardtongue — Penstemon radicosus.  Montana Field Guide.  .  Retrieved on , from