Penstemon glaber var. brandegeei

(Porter) C. C. Freeman

Phytologia 60: 105. 1986. (as brandegei)

Endemic
Basionym: Penstemon cyananthus var. brandegeei Porter in T. C. Porter and J. M. Coulter, Syn. Fl. Colorado, 91. 1874
Synonyms: P. alpinus subsp. brandegeei (Porter) Penland
Treatment appears in FNA Volume 17. Treatment on page 169. Mentioned on page 168.
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Stems puberulent to pubescent proximally. Flowers: calyx lobes ovate to orbiculate, (4–)5–11 × 1.8–5.5 mm, apex long-acuminate; corolla 27–48 mm, glabrous internally or sparsely white-lanate internally abaxially; staminode apex usually bifurcate. 2n = 16.


Phenology: Flowering Jun–Aug.
Habitat: Sandy or gravelly foothills, mountains.
Elevation: 1800–2100 m.

Discussion

Variety brandegeei is known from Costilla, Custer, El Paso, Fremont, Huerfano, Las Animas, and Pueblo counties in south-central Colorado, and Colfax and Union counties in northeastern New Mexico. G. T. Nisbet and R. C. Jackson (1960) reported hybrids between it and var. alpinus.

Selected References

None.

Lower Taxa

None.