Stems erect or semi-prostrate; branches gray-brown or red-brown, glabrous or woolly to glabrescent; branchlets reddish, densely woolly (hairs spreading). Leaves: stipules absent or rudimentary; petiole (shallowly grooved adaxially), 0-3 mm; largest medial blade narrowly oblong, narrowly elliptic, elliptic, oblanceolate, or obovate, 25-87 × 10-30 mm, 2-3.9 times as long as wide, base cuneate or convex, margins flat, entire or serrulate, apex rounded to convex, abaxial surface glabrous, adaxial dull, glabrous; proximal blade margins entire or serrulate; juvenile blade glabrous. Catkins (sometimes branched); staminate 12-27 × 6-10 mm, flowering branchlet 3-8 mm; pistillate densely flowered, stout or subglobose, 20-34 × 6-13 mm, flowering branchlet 5-19 mm; floral bract tawny or greenish, translucent, 2-3.6 mm, apex rounded or truncate, erose, sinuate, irregularly toothed, or entire, abaxially glabrous. Staminate flowers: abaxial nectary 0.4-0.8 mm, adaxial nectary narrowly oblong, oblong, or ovate, 0.6-1 mm, nectaries distinct, or connate and shallowly cup-shaped; filaments distinct, glabrous or hairy basally or on proximal 1/2; anthers long-cylindrical, 0.6-0.8 mm. Pistillate flowers: adaxial nectary oblong, 0.8-1.3 mm, equal to or longer than stipe; stipe 0-0.6 mm; ovary obclavate or ovoid, beak abruptly tapering to styles; ovules 16-23 per ovary; styles distinct, 0.3-0.4 mm; stigmas flat, abaxially non-papillate with pointed tip, or slenderly cylindrical, 0.32-0.47-0.6 mm. Capsules 3.6-10 mm. 2n = 38.
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