familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Caespitosi
speciesPenstemon crandallii
Difference between revisions of "Penstemon crandallii var. procumbens"
PhytoKeys 80: 34. 2017.
Endemic
Basionym: Penstemon procumbens Greene Pl. Baker. 3: 23. 1901
Synonyms: P. crandallii subsp. procumbens (Greene) D. D. Keck
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Revision as of 21:06, 16 December 2019
Stems prostrate or decumbent, 2–18 cm, retrorsely hairy. Leaves glabrous or sparsely puberulent, especially along margins, (2–)4–24 × 2–8 mm; blade obovate to elliptic.
Phenology: Flowering Jun–Jul.
Habitat: Sagebrush shrublands, scrub oak woodlands, spruce woodlands, talus slopes.
Elevation: 2000–3400 m.
Discussion
Specimens referable to var. procumbens come from Carbon Peak, Kebler Pass, and West Elk Mountains. D. D. Keck (1937) noted the strong resemblance of the type specimen to Penstemon caespitosus subsp. suffruticosus A. Gray (= P. xylus). More material is needed to determine where var. procumbens fits in the P. crandallii/P. caespitosus complex.
Selected References
None.
Lower Taxa
None.