Flora of North America species comparison

reddish brown, stout, hirsute and scaly.

3-5 dm;

petiole 3-12 cm, petiole and rachis hirsute, with conspicuous large and small round peltate scales.

(5-)7-9, lateral petiolules 0-2 mm, terminal petiolules 2-13 mm;

blades ovate to elliptic or obovate, not falcate, 4-19 × 2-8 cm, margins finely to coarsely serrate, apex acute, rarely acuminate;

surfaces abaxially hirsute with unicellular, 2-8-rayed fasciculate and multiradiate hairs, and with large and small round peltate scales abundant, adaxially hirsute along midrib and major veins, puberulent with fasciculate hairs and scales in spring.

reddish brown, finely mottled, spheric to ellipsoid or obovoid, not compressed to compressed, 3-5 × 3-5 cm;

husks rough, 4-10 mm thick, dehiscing to middle or nearly to base, sutures smooth;

nuts tan, spheric to ellipsoid, compressed, prominently to faintly 4-angled, rugulose;

shells thick.

sweet.

buds tan (after early loss of outer scales), broadly ovoid, 8-20 mm, tomentose;

bud scales imbricate;

axillary buds protected by bracteoles fused into hood.

catkins pedunculate, to 14 cm, stalks and bracts hirsute, scaly, apex of each bract with coarse hairs;

anthers hirsute.

= 64.