familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Glabri
speciesPenstemon glaber
Penstemon glaber var. brandegeei
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
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.