Penstemon davidsonii var. menziesii

(D. D. Keck) Cronquist in C. L. Hitchcock et al.

Vasc. Pl. Pacif. N.W. 4: 379. 1959.

Endemic
Basionym: Penstemon davidsonii subsp. menziesii D. D. Keck Brittonia 8: 247. 1957
Synonyms: P. menziesii subsp. thompsonii Pennell & D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 87.
Revision as of 18:29, 24 September 2019 by FNA>Volume Importer

Leaf blades spatulate to elliptic, margins ± serrulate, apex rounded to obtuse or acute. Flowers: corolla violet, 20–35 mm, moderately white-villous internally abaxially. 2n = 16.


Phenology: Flowering Jun–Aug.
Habitat: Rock outcrops, ledges, talus slopes.
Elevation: 30–2000 m.

Discussion

The ranges of var. davidsonii and var. menziesii overlap throughout much of British Columbia and Washington.

Selected References

None.

Lower Taxa

None.
Craig C. Freeman +
(D. D. Keck) Cronquist in C. L. Hitchcock et al. +
Penstemon davidsonii subsp. menziesii +
B.C. +, Oreg. +  and Wash. +
30–2000 m. +
Rock outcrops, ledges, talus slopes. +
Flowering Jun–Aug. +
Vasc. Pl. Pacif. N.W. +
P. menziesii subsp. thompsonii +
Penstemon davidsonii var. menziesii +
Penstemon davidsonii +
variety +