in War Department [U.S.], Pacif. Railr. Rep. 4(5): 136. 1857.
Shrubs or trees 1–3(–4) m, branchlets sparsely strigose, glabrescent. Leaves: blade yellowish green, flat, elliptic to broadly elliptic, oblong-elliptic, or elliptic-ovate, (2.5–)3–5.5 × (1–)1.5–3 cm, length 1.2–2.5 times width, margins flat, roughened or muriculate, apex obtuse to acute and mucronulate, abaxial surface glabrous, glabrate, or sparsely strigose, adaxial surface dull, glabrous or glabrate. Aments: staminate 1–2 cm; pistillate loose, internodes 4+ mm, sometimes branched, erect, 2–4 cm; pistillate bracts distinct or connate basally, each usually subtending 1 flower, narrowly lanceolate-ovate to linear-oblanceolate, at least proximal similar in size and shape to distal leaves, strigose. Berries 5–7 mm diam., sparsely strigose, glabrate, not glaucous.
Phenology: Flowering (Mar–)Apr–Aug.
Habitat: Cliff crevices, bluffs, canyons, among boulders, open slopes, pinyon-pine, and pine-oak woodlands, oak, oak-Nolina-Agave, and evergreen oak-mountain mahogany woodlands.
Elevation: (500–)1300–2500 m.
Ariz., N.Mex., Tex., Mexico (Chihuahua, Coahuila, Sonora).