Penstemon attenuatus var. pseudoprocerus

(Rydberg) Cronquist 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
Treatment appears in FNA Volume 17. Treatment on page 195. Mentioned on page 194.
Revision as of 18:30, 24 September 2019 by FNA>Volume Importer

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.

Discussion

Variety pseudoprocerus is concentrated in the Central Rocky Mountains in eastern Idaho, southwestern Montana, and northwestern Wyoming.

Selected References

None.

Lower Taxa

None.
Craig C. Freeman +
(Rydberg) Cronquist in C. L. Hitchcock et al. +
Penstemon pseudoprocerus +
Idaho +, Mont. +  and Wyo. +
1600–3200 m. +
Moist hillsides, rocky slopes, subalpine and alpine meadows. +
Flowering Jul–Aug. +
Vasc. Pl. Pacif. N.W. +
P. attenuatus subsp. pseudoprocerus +
Penstemon attenuatus var. pseudoprocerus +
Penstemon attenuatus +
variety +