Penstemon eriantherus var. whitedii

(Piper) A. Nelson

Bot. Gaz. 54: 148. 1912. (as Pentstemon erianthera)

Common names: Whited’s beardtongue
EndemicConservation concern
Basionym: Penstemon whitedii Piper Bot. Gaz. 22: 490. 1896
Treatment appears in FNA Volume 17. Treatment on page 135. Mentioned on page 134, 136.

Stems glabrate or retrorsely hairy, rarely glandular-villous, proximally, glandular-villous distally. Leaves glabrous or glabrate abaxially, glabrate or villous to glandular-villous adaxially. Flowers: corolla lavender to violet or blue, ventricose-ampliate, 17–22 mm, not constricted at orifice; pollen sacs navicular, 1.3–1.6 mm; staminode: distal 3–6 mm moderately lanate, hairs yellow, to 2 mm; style 9–13 mm.


Phenology: Flowering May–Jun.
Habitat: Dry, rocky, bitterbrush and rabbitbrush shrublands.
Elevation: 200–1200 m.

Discussion

Variety whitedii is known from the foothills of the Cascade Range and on the plains and in valleys in the Columbia Basin. The variety has been documented in Chelan, Douglas, Franklin, Kittitas, Klickitat, and Lincoln counties.

Selected References

None.

Lower Taxa

None.