Penstemon heterodoxus var. shastensis

(D. D. Keck) N. H. Holmgren

Brittonia 44: 482. 1992.

Endemic
Basionym: Penstemon shastensis D. D. Keck Amer. Midl. Naturalist 33: 165. 1945
Treatment appears in FNA Volume 17. Treatment on page 208. Mentioned on page 207.

Stems (10–)15–65 cm. Leaves: basal and proximal cauline 30–140 × 6–20 mm. Thyrses: axis usually sparsely glandular-pubescent, verticillasters 2–6. 2n = 32.


Phenology: Flowering Jul–Aug.
Habitat: Montane meadows.
Elevation: 1100–2400 m.

Discussion

Variety shastensis occurs at the northern end of the range of Penstemon heterodoxus in Butte, Lassen, Modoc, Plumas, Shasta, and Siskiyou counties.

Selected References

None.

Lower Taxa

None.