Cary's Beardtongue - Penstemon caryi
State Rank Reason (see State Rank above)
Restricted in Montana to the Pryor Mountains.
- Details on Status Ranking and Review
Score2 - Small: Generally 2,000-10,000 individuals.
CommentAvailable data supports an estimate of only a few thousand plants though data are limited and some sites have either imprecise estimates or no population estimate avilable.
Score3 - Local Endemic or Very Small Montana Range: Generally restricted to an area <10,000 sq. miles (equivalent to the combined area of Phillips and Valley Counties) or <6 Sub-basins (4th code watersheds) Range-wide OR limited to one Sub-basin in Montana
Area of Occupancy
Score2 - Low: Generally occurring in 4-10 Subwatersheds (6th Code HUC’s).
Score0-1 - Low to Moderate.
CommentOccurs in a variety of habitats and has been found along some roadcuts.
ScoreNA - Rank factor not assessed.
CommentTrends are unknown, though there is no indication that the species' has experienced severe declines in Montana.
Score0-1 - Low to Medium.
CommentSome occurrences are near areas of human-use and have the potential to be negatively impacted. However, no threats have been identified that would be high in terms of scope or severity.
Score0-1 - Low to Moderate Vulnerability.
Raw Conservation Status Score
7 to 10 total points scored out of a possible 16 (Rarity factors and threats only).
Stems erect, 15–35 cm. Herbage glabrous, often glaucous. Basal leaf blades linear-oblanceolate, entire, 2–7 cm long. Stem leaves lanceolate to linear-lanceolate, 4–8 cm long, clasping the stem. Inflorescence crowded, of 3 to 7 few-flowered verticillasters. Flowers: calyx 7–10 mm long; sepals ovate, acuminate, erose- and scarious-margined; corolla blue to lavender, 22–32 mm long; anthers villous, not opening near the filament; staminode sometimes nearly glabrous. Capsule 5–12 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Flowering in June and July, fruiting in July.
Regional endemic of the Bighorn and Pryor mountains of north-central Wyoming (Big Horn, Sheridan, and Washakie counties) and south-central Montana.
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
Stony, calcareous soils in Douglas-fir forests, juniper woodlands, sagebrush steppe from the montane to lower subalpine zone (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Ecological Systems Associated with this Species
- 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.