familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Glabri
speciesPenstemon cyananthus
Penstemon cyananthus var. cyananthus
Endemic
Revision as of 20:24, 27 May 2020 by imported>Volume Importer
Stems ascending to erect, 20–70(–90) cm. Cauline leaves: blade ovate to lanceolate. Thyrses 4–30 cm, verticillasters 4–12. Flowers: calyx lobes lanceolate, rarely ovate, apex acuminate, rarely acute; corolla 16–25(–28) mm.
Phenology: Flowering May–Jul.
Habitat: Sandy or gravelly slopes, sagebrush shrublands.
Elevation: 1300–3200 m.
Distribution
Idaho, Utah, Wyo.
Discussion
Variety cyananthus passes into var. subglaber in southeastern Idaho and west-central Wyoming; some specimens from that area are difficult to assign to variety with confidence.
Selected References
None.
Lower Taxa
None.