Penstemon palmeri var. eglandulosus

(D. D. Keck) N. H. Holmgren

Brittonia 31: 105. 1979.

Endemic
Basionym: Penstemon palmeri subsp. eglandulosus D. D. Keck Amer. Midl. Naturalist 18: 797. 1937
Treatment appears in FNA Volume 17. Treatment on page 253. Mentioned on page 252.

Distal cauline leaves connate-perfoliate. Thyrses: peduncles and pedicels glabrous. Flowers: calyx lobes glabrous; corolla tube 4–6 mm; pollen sacs 1.6–2(–2.2) mm.


Phenology: Flowering Jun–Jul.
Habitat: Washes, roadsides, desert shrublands, pinyon-juniper woodlands, pine woodlands.
Elevation: 1500–2600 m.

Discussion

Variety eglandulosus occurs from the southern end of the Utah Plateau (Emery, Garfield, Grand, Iron, Kane, San Juan, Washington, and Wayne counties, Utah) to the Kaibab Plateau in northern Coconino and Mohave counties, Arizona. A population in Socorro County, New Mexico, appears to have been seeded along a roadside.

Selected References

None.

Lower Taxa

None.
Craig C. Freeman +
(D. D. Keck) N. H. Holmgren +
Penstemon palmeri subsp. eglandulosus +
Ariz. +, N.Mex. +  and Utah. +
1500–2600 m. +
Washes, roadsides, desert shrublands, pinyon-juniper woodlands, pine woodlands. +
Flowering Jun–Jul. +
Penstemon palmeri var. eglandulosus +
Penstemon palmeri +
variety +