familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Caespitosi
speciesPenstemon caespitosus
Difference between revisions of "Penstemon caespitosus var. caespitosus"
Endemic
Treatment appears in FNA Volume 17. Treatment on page 100.
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Latest revision as of 20:31, 5 November 2020
Leaves 4–10(–21) × 1–3 mm; blade oblanceolate to linear. Flowers: pollen sacs explanate, 0.6–0.8 mm.
Phenology: Flowering May–Jul(–Aug).
Habitat: Gravelly to clay soils, sagebrush shrublands, juniper woodlands, alpine meadows.
Elevation: 2000–2300(–3700) m.
Distribution
Colo., Utah, Wyo.
Discussion
Variety caespitosus is the northern element of the species, occurring in much of western Colorado (Chaffee, Eagle, Grand, Gunnison, Jackson, Mesa, Moffat, Park, Rio Blanco, and Routt counties), extreme northeastern Utah (Daggett, Duchesne, Rich, Uintah, and Wasatch counties), and southwestern Wyoming (Carbon, Lincoln, Sublette, Sweetwater, and Uinta counties). The variety is sympatric with var. perbrevis in Duchesne and Uintah counties, Utah. Indument varies considerably throughout the range of this variety, with glabrate forms not unusual (D. D. Keck 1937).
Selected References
None.
Lower Taxa
None.