Penstemon ambiguus var. laevissimus

(D. D. Keck) N. H. Holmgren
Brittonia 31: 104. 1979.
Illustrated
Basionym: Penstemon ambiguus subsp. laevissimus D. D. Keck J. Wash. Acad. Sci. 29: 491. 1939
Treatment appears in FNA Volume 17. Treatment on page 95. Mentioned on page 96.

Stems glabrous. Leaf blades: margins glabrous or scabrous. 2n = 16.


Phenology: Flowering May–Aug(–Sep).
Habitat: Sandy soils, creosote bush, blackbrush, and sagebrush shrublands, juniper woodlands.
Elevation: 700–1800 m.

Distribution

Ariz., Nev., N.Mex., Tex., Utah, Mexico (Chihuahua).

Discussion

Selected References

None.

Lower Taxa

None.

Craig C. Freeman +
(D. D. Keck) N. H. Holmgren +
Penstemon ambiguus subsp. laevissimus +
Ariz. +, Nev. +, N.Mex. +, Tex. +, Utah +  and Mexico (Chihuahua). +
700–1800 m. +
Sandy soils, creosote bush, blackbrush, and sagebrush shrublands, juniper woodlands. +
Flowering May–Aug(–Sep). +
Illustrated +
Penstemon ambiguus var. laevissimus +
Penstemon ambiguus +
variety +