Trees , to 9 m; crowns open, narrowly rounded. Bark brownish gray, broken into narrow vertical scales or rather ragged strips. Twigs sparsely to moderately pubescent, often with stipitate glands. Leaves: petiole covered with stipitate glands. Leaf blade ovate or broadly ovate-elliptic to broadly elliptic or nearly orbiculate, 2.5--6.5 × 1.5--5 cm, base narrowly rounded to cordate or cuneate, margins sharply and unevenly doubly serrate, apex acute; surfaces abaxially pubescent, especially on veins. Inflorescences: staminate catkins 2--3 cm; pistillate catkins 0.6--1 cm. Infructescences 2.5--4 × 1.8--2.5 cm; bracts 1--1.8 × 0.5--1 cm.
Moist areas in canyons, bases of sandstone monoliths, moist areas along streams and the Colorado River, being commonly found in pinyon-juniper and oak woodlands.
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