Small shrubs 1-3 m tall; branches dark purplish brown, strigose. Monoecious. Leaves opposite, slightly unequal in size; stipules lanceolate, 5-8 mm; petiole 0.3-2.5 cm, strigose; leaf blade oblong-obovate or oblong-oblanceolate, 5-12 × 2-3.2 cm, thinly papery, secondary veins 3 or 4 each side of midvein, reticulate veins prominent abaxially, abaxial surface pubescent with strigose veins, adaxial surface slightly rugulose, sparsely strigose, base obtuse or broadly cuneate, margin denticulate, apex acuminate, tip denticulate. Glomerules on axillary spikelike branches, with a few branches from near base, 4-11 cm, often paired at each axil, often bisexual with proximal female glomerules and distal male glomerules; glomerules 2.5-3 mm in diam., 1-3 mm apart. Male flowers 4-merous, subsessile; perianth lobes elliptic, ca. 1 mm, sparsely puberulent, connate at base, corniculate near apex; rudimentary ovule obovoid, ca. 0.3 mm. Fruiting perianth broadly obovoid, compressed, ca. 1 mm, smooth, strigose on shoulder, base rounded, apex 2-toothed. Fl. Mar-May, fr. Jun-Aug.
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