familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Cristati
speciesPenstemon eriantherus
Difference between revisions of "Penstemon eriantherus var. cleburnei"
Vasc. Pl. Wyoming, 300. 1988.
Common names: Cleburn’s beardtongue
Endemic
Basionym: Penstemon cleburnei M. E. Jones Contr. W. Bot. 12: 62. 1908
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Revision as of 18:30, 24 September 2019
Stems retrorsely hairy, sometimes also villous. Leaves glabrate or retrorsely hairy abaxially, retrorsely hairy and, sometimes, villous adaxially. Flowers: corolla lavender to violet, ventricose-ampliate, 16–22(–25) mm, constricted at orifice; pollen sacs explanate, 0.8–1.2 mm; staminode: distal 2–4 mm densely lanate, hairs orangish, to 3 mm; style 9–12(–14) mm.
Phenology: Flowering May–Jun(–Jul).
Habitat: Clayey, sandy, or gravelly soils, sagebrush shrublands.
Elevation: 1400–2500 m.
Discussion
Variety cleburnei occurs mostly in central and western Wyoming, west of the Bighorn Mountains, Casper Arch, and Laramie Mountains; some populations extend into northeastern Utah. Variety cleburnei and var. eriantherus intergrade in eastern and north-central Wyoming.
Selected References
None.
Lower Taxa
None.