familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Coerulei
speciesPenstemon acuminatus
Penstemon acuminatus var. latebracteatus
Brittonia 31: 232, fig. 8. 1979.
Endemic
Treatment appears in FNA Volume 17. Treatment on page 113.
Flowers: calyx lobes (3.2–)4.5–7 mm; corolla 11–15 mm; pollen sacs 0.7–1 mm; style 8–11 mm.
Phenology: Flowering May–Jun(–Jul).
Habitat: Sandy soils, dunes, sagebrush and shadscale communities.
Elevation: 600–1700 m.
Distribution
Idaho, Nev., Oreg.
Discussion
Variety latebracteatus is more widely distributed than var. acuminatus. Most populations occur in the Snake River Basin of southern Idaho, the Owyhee River Basin of southwestern Oregon, and the Humboldt River Basin of Nevada.
Selected References
None.
Lower Taxa
None.