Shrubs or trees, 4-10 m. Stems: branches red-brown, glabrous or glabrescent; branchlets yellow-green, red-brown, or violet, tomentose or pubescent to glabrescent. Leaves: stipules absent or rudimentary; petiole 0-4(-8) mm, pubescent or short-silky adaxially; largest medial blade linear, 66-95(-140) × 2-16 mm, 11-35 times as long as wide, base cuneate, margins flat, remotely spinulose-serrulate, apex acute to subacumi-nate, abaxial surface very thinly glaucous, sparsely short-silky (especially along midrib), to glabrescent, adaxial slightly glossy, short-silky, pilose to glabrescent; proximal blade margins entire; juvenile blade reddish or yellowish green, moderately densely to sparsely long-silky to glabrescent abaxially. Catkins: staminate 8-35 × 6 mm, flowering branchlet 3-55 mm; pistillate loosely flowered, slender, 15-40(-50) × 3.2-8 mm, flowering branchlet 7-28 mm; floral bract 2-4 mm, apex acute or acuminate, entire, abaxially hairy, hairs wavy. Staminate flowers: abaxial nectary absent, adaxial nectary ovate, narrowly oblong, or flask-shaped, 0.6-1.4 mm; filament hairy; anthers 0.3-0.8 mm. Pistillate flowers: adaxial nectary narrowly oblong to ovate, 0.4-0.7 mm, shorter to longer than stipe; stipe 0-0.8 mm; ovary obclavate to pyriform, densely long-silky or villous, beak abruptly tapering to styles; ovules 16-36 per ovary; styles 0-0.2 mm; stigmas flat, abaxially non-papillate with rounded tip, or broadly cylindrical, 0.3-0.7 mm. Capsules (2.5-) 4-7 mm.
Home