Large liana, up to 30 m long, 20 cm ø, rather profusely branched. Leaves 5¾-15(-25) by 2½-6 ¾ cm, oblong to lanceolate, pergamenta-ceous to subcoriaceous, acute to cuspidate, base cuneate to rounded; petiole 3-10 by 1-2 mm, petiolule 2-6 by 1-2 mm. Racemes solitary to fascicled, in ♂ 1-3 together, 3-13½ cm, in ♂ 1-15 together, 2-50.5(-12½) cm; rachis puberulous, glabrescent. Pedicel (lower joint 0-1 mm, upper ¼-½ mm) not covered by the minute, broadly ovate, acute bract ¼-½ by 0.5 mm. Calyx 1½-2 mm high, glabrous to sparsely puberulous outside. Sepals 0.5-10.5 by ¾-1¼ mm, broadly ovate to elliptic, rounded to emarginate. Petals 3-4 by 1-1¼ mm, obovate-oblong to-lanceolate, often rolled back at anthesis, obtuse to rounded, darker. Filaments in bisexual ¼-½ and ¾-1 mm, in ♂ 1-3 and 1½-4 mm long. Pistil in bisexual 1½-2½ mm, in ♂ ⅓-¾ mm; styles in bisexual 1-1¼ mm, in ♂ very short, acute. Fruit obovoid with cuneate base, 5-11 by 6-10 mm, after dehiscence 9-22 mm ø. Seeds 4-5 by 1½ mm; radicle 1¼-1¾ mm long, cotyledons 2-2½ by ¾-1 mm.
Dense jungle, swamp forest, on poor soils, up to 750 m. Fl. fr. Jan.-Dec.
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