Keckiella antirrhinoides var. microphylla

(A. Gray) N. H. Holmgren

Brittonia 44: 481. 1992.

Basionym: Penstemon microphyllus A. Gray in War Department [U.S.], Pacif. Railr. Rep. 4(5): 119. 1857
Synonyms: Keckiella antirrhinoides subsp. microphylla (A. Gray) Straw P. antirrhinoides subsp. microphyllus (A. Gray) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 78. Mentioned on page 77.

Plants canescent. Flowers: calyx 5.5–9 mm, lobes lanceolate, ape× acute to acuminate; pollen sacs 1.1–1.5 mm.

Phenology: Flowering Apr–Jun.
Habitat: Juniper-pinyon woodlands, Joshua-tree scrub.
Elevation: 400–1800 m.


Ariz., Calif., Nev., Mexico (Baja California).


In the flora area, var. microphylla is found mainly in the interior Peninsular Ranges and the Desert Province of southern California.

Selected References


Lower Taxa

David C. Michener +  and Noel H. Holmgren +
(A. Gray) N. H. Holmgren +
Penstemon microphyllus +
Ariz. +, Calif. +, Nev. +  and Mexico (Baja California). +
400–1800 m. +
Juniper-pinyon woodlands, Joshua-tree scrub. +
Flowering Apr–Jun. +
Illustrated +
Keckiella antirrhinoides subsp. microphylla +  and P. antirrhinoides subsp. microphyllus +
Keckiella antirrhinoides var. microphylla +
Keckiella antirrhinoides +
variety +