Wyoming Rare Plant Field Guide
Penstemon caryi
- Similar Species: P. aridus and P. attenuatus have glandular flowers and inflorescences. P. rydbergii has smaller, more densely clustered flowers and glabrous anthers.
- Flowering/Fruiting Period: May-July/July.
- Distribution: Endemic to the Bighorn Mountains of Wyoming and Pryor Mountains of Montana.
- Habitat: Calcareous rock outcrops and rocky soil within sagebrush, juniper, Douglas-fir, and limber pine communities. Elev. 5200-8500 ft.
- References: Clark and Dorn 1979; Dorn 1992 b; Marriott and Jones 1989.
