familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Penstemon
speciesPenstemon attenuatus
Penstemon attenuatus var. pseudoprocerus
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 4: 373. 1959.
Endemic
Basionym: Penstemon pseudoprocerus Rydberg Mem. New York Bot. Gard. 1: 346. 1900
Synonyms: P. attenuatus subsp. pseudoprocerus (Rydberg) D. D. Keck
Stems (2–)5–40 cm. Flowers: calyx lobes ovate, obovate, ovate-oblong, or lanceolate, margins erose or lacerate; corolla bluish purple, 12–16 mm; pollen sacs 0.7–0.8 mm, dehiscing completely, connective splitting, sutures smooth, sometimes ± papillate. 2n = 48.
Phenology: Flowering Jul–Aug.
Habitat: Moist hillsides, rocky slopes, subalpine and alpine meadows.
Elevation: 1600–3200 m.
Distribution
Idaho, Mont., Wyo.
Discussion
Variety pseudoprocerus is concentrated in the Central Rocky Mountains in eastern Idaho, southwestern Montana, and northwestern Wyoming.
Selected References
None.
Lower Taxa
None.