familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Glabri
speciesPenstemon cyananthus
Difference between revisions of "Penstemon cyananthus var. subglaber"
Brittonia 31: 105. 1979.
Endemic
Basionym: Penstemon fremontii var. subglaber A. Gray in A. Gray et al. Syn. Fl. N. Amer. 2(1): 262. 1878
Synonyms: P. cyananthus subsp. subglaber (A. Gray) Pennell
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|genus=Penstemon | |genus=Penstemon | ||
|subgenus=Penstemon subg. Penstemon | |subgenus=Penstemon subg. Penstemon | ||
Revision as of 20:06, 16 December 2019
Stems ascending to erect, 22–70(–90) cm. Cauline leaves: blade lanceolate to oblanceolate. Thyrses 5–21 cm, verticillasters 4–11. Flowers: calyx lobes ovate to lanceolate, apex acute to cuspidate, rarely acuminate; corolla 16–25(–28) mm. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Clayey soils, sagebrush shrublands.
Elevation: 1400–2900 m.
Distribution
Idaho, Mont., Utah, Wyo.
Discussion
Variety subglaber is easily confused with individuals of Penstemon subglaber with sparsely glandular-pubescent corollas; calyx lobe shape and anther morphology usually distinguish the two reliably. Penstemon holmgrenii S. L. Clark is an invalid name that applies here.
Selected References
None.
Lower Taxa
None.