Vines, reddish glandular villous-tomentose on branchlets and petioles, glandular granulose on leaf blades, peduncles, pedicels, and perianth. Branchlets terete, 1-2 mm in diam., glabrescent. Petiole deeply canaliculate, 4-5 mm; leaf blade elliptic, ovate, or obovate, 1.3-3 × 0.5-12(-1.7) cm, membranous, dull, sparsely red and black punctate and punctate-lineate, base cuneate or obtuse, margin crenate-serrate with spinose teeth, densely red punctate, apex mucronate, acute or obtuse; midrib flat or slightly raised and glabrous adaxially, prominent abaxially; lateral veins 4-8 on each side of midrib, submarginal vein present. Inflorescences axillary, subcorymbose or subumbellate, 1-2 cm, 5-10-flowered, pendulous; pedundle 4-10 mm, red punctate; bracts linear or rarely subulate, 1-1.5 mm, apex attenuate, glandular ciliate. Flowers unisexual or bisexual, white or greenish, 5-merous, staminate 4.5-5 mm, pistillate 2.5-3 mm, bisexual 3-3.5 mm. Pedicel 3-6 mm, minutely glandular granulose. Sepals lanceolate or narrowly ovate, densely red or black punctate medially, margin erose-fimbriate, glandular ciliate, apex acuminate. Petals oblong or ovate, free or united to ca. 1/2 length, papery, glabrous inside, red punctate apically, margin entire, apex obtuse to acute. Stamens exserted 1-2 mm in staminate flowers, ca. 2/3 petal length in bisexual, ca. 1/2 petal length in pistillate; anthers narrowly lanceolate in staminate, ovate in bisexual, deltate in pistillate, base truncate, apex acutely rounded, connective red punctate. Style sparsely red punctate-lineate; stigma subcapitate, 3-or 4-lobed. Fruit red, globose, 4-5 mm in diam., densely red punctate. Fl. Oct-Jan, fr. Dec-Apr.
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