Shrubs or vines, ca. 3 m tall. Twigs with thin or incurved stipular spines; new twigs glabrous or shortly tomentose but soon glabrescent, with 3-4 mm recurved sharp stipular spines. Petiole 3-5 mm, slender; leaf blade elliptic, ovate, or obovate, 4-7 × 1.8-4 cm, 1.8-2.3 × as long as wide, herbaceous to subleathery, midvein thin and adaxially slightly impressed from middle toward base, secondary veins 4-6 on each side of midvein, reticulate veins slightly obvious, base cuneate to nearly rounded, apex acute to subacuminate and with a 3-7(-10) mm tip. Inflorescences superaxillary rows, (1 or)2-or 3-flowered. Pedicel 1.5-2.5 cm, slender, glabrous. Sepals 4-5 × 2-3 mm, outside glabrous, inside and margin sometimes with trichomes; sepals of outer whorl slightly broadly ovate, inside slightly concave; sepals of inner whorl slightly narrowly elliptic, apex acute to obtuse. Petals white; anterior pair 4-7 × ca. 2 mm, both surfaces tomentose; posterior pair red near base, slightly broad, slightly shorter. Stamens [8-]14-18(-21); filaments ca. 1.5 cm; anthers ca. 1.3 mm. Gynophore 1.5-2.5 cm, glabrous; ovary pyriform, 1-1.5 mm including beaklike style, 1-loculed; placentae 2; ovules several. Fruit red when mature, globose, 7-10 mm in diam., apex rarely shortly tipped; fruiting pedicel and gynophore ca. 0.5 mm thick. Seeds 1 or 2(-4) per fruit, ca. 5 × 4 mm. Fl. Feb-Apr, mature fruit and seed not seen [fr. Aug in Thailand].
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A shrub or vine. It grows 3 m tall. The twigs have thin spines. The leaf blade is narrowly oval and 4-7 cm long by 2 cm wide. The fruit are round and red when ripe. They are 7-10 mm across. There are 1 or 2 seeds per fruit.
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