Difference between revisions of "Penstemon barbatus var. trichander"

A. Gray

Proc. Amer. Acad. Arts 11: 94. 1876.

Endemic
Synonyms: Penstemon barbatus subsp. trichander (A. Gray) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 147. Mentioned on page 146, 162.
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Revision as of 20:06, 16 December 2019

Flowers: corolla glabrous internally; pollen sac sides sparsely to moderately lanate-villous.


Phenology: Flowering Jun–Aug.
Habitat: Pinyon-juniper and birch-maple woodlands.
Elevation: 1600–2200 m.

Distribution

Ariz., Colo., N.Mex., Utah.

Discussion

F. S. Crosswhite (1965) hypothesized that var. trichander is the product of hybridization and introgression between Penstemon barbatus and P. strictus; Crosswhite noted that var. trichander occurs where var. torreyi and P. strictus are sympatric. Variety trichander is concentrated in the Four Corners region.

Selected References

None.

Lower Taxa

None.