Penstemon palmeri var. palmeri

IllustratedEndemic
Treatment appears in FNA Volume 17. Treatment on page 252. Mentioned on page 240.

Distal cauline leaves connate-perfoliate. Thyrses: peduncles and pedicels glandular-pubescent. Flowers: calyx lobes glandular-pubescent; corolla tube 4–6 mm; pollen sacs 1.8–2.4 mm. 2n = 16.


Phenology: Flowering May–Jul.
Habitat: Washes, roadsides, canyon floors, creosote shrublands, pinyon-juniper woodlands.
Elevation: 800–2800 m.

Distribution

Ariz., Calif., Colo., Idaho, Nev., N.Mex., Utah, Wash., Wyo.

Discussion

Because of its stature and showy flowers, var. palmeri is seeded widely in the western United States along roadsides after construction. Populations in Colorado, Idaho, Washington, and Wyoming are introduced; some in New Mexico also appear to have resulted from seeding.

Selected References

None.

Lower Taxa

None.
Craig C. Freeman +
A. Gray +
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +, N.Mex. +, Utah +, Wash. +  and Wyo. +
800–2800 m. +
Washes, roadsides, canyon floors, creosote shrublands, pinyon-juniper woodlands. +
Flowering May–Jul. +
Proc. Amer. Acad. Arts +
Illustrated +  and Endemic +
Penstemon palmeri var. palmeri +
Penstemon palmeri +
variety +