familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Caespitosi
speciesPenstemon caespitosus
Penstemon caespitosus var. perbrevis
Brittonia 31: 104. 1979.
Endemic
Basionym: Penstemon caespitosus subsp. perbrevis Pennell Contr. U.S. Natl. Herb. 20: 375. 1920
Revision as of 20:06, 16 December 2019 by FNA>Volume Importer
Leaves 2.5–14 × 1–4 mm; blade obovate or spatulate. Flowers: pollen sacs navicular to subexplanate, 0.8–0.9 mm.
Phenology: Flowering May–Aug.
Habitat: Gravelly to clay soils, sagebrush shrublands, pinyon-juniper and pine woodlands.
Elevation: 2100–2900 m.
Discussion
Variety perbrevis occurs in Carbon, Duchesne, Emery, Garfield, Sanpete, Uintah, Utah, and Wasatch counties, Utah, and in Garfield County, Colorado. Some specimens from Rio Blanco County, Colorado, also approach this variety.
Selected References
None.
Lower Taxa
None.