Woody vines. Leaves papyraceous to coriaceous, (5-)8-20(-29) \im thick; lamina elliptic to ovate, (11—)13.5—18.5 by 5.5-10.5 cm, length:width ratio (1.7-)1.8-2.6 (-2.7); primary vein variably slightly to highly impressed above, (very) prominent below; secondary veins (3-)4-6 pairs, (slightly) arcuate; base acute to obtuse (occasionally cuneate); apex acute to long acuminate; margin entire; petiole 20-35(-41) mm long, (0.1-)1.3-2.5(-2.9) mm diameter. Flowers either borne solitary in axils of leaves or in axils of fugaceous bracts, occasionally caulifiorous; peduncle 5-35(-43) mm long, 0.7-1.9(-2.2) mm diameter. Perianth segments (9-) 12-17, outer segments pale (yellowish-) green, tinged red, innermost pink to deep red; outermost perianth segment generally ovate, rarely obovate, 4.0-8.9 by 2.3-7.3 mm, length:width ratio 1.2-2.3, reduced to 0.4-0.6 of length of largest; innermost perianth segment ovate, elliptic or obovate, 4.1-8.5 by 2.4-5.0(-6.0) mm, length:width ratio (1.1-)1.3-1.8, reduced to 0.4-0.7 of length of largest; largest perianth segment generally ovate, rarely elliptic or obovate, 10.1-14.6 by 7.9-11.3 mm, length: width ratio 1.2-1.6. Male flowers with 22-53 stamens, pink to red, anthers ± sessile, closely appressed in subglobose to ellipsoid head, 4.5-5.6 mm diameter, connectives broad, with dorso-lateral thecae so that thecae of adjacent stamens not contiguous. Female flowers with 35-110 carpels, gynoecium c. 5.7 mm diameter; ovaries 1.1-1.3 by 0.8-0.9 mm, length: width ratio 1.3-1.6; pseudostyle ± broad with subpeltate pseudostigma. Fruit peduncle ± elongated, 30-50 mm long; berries 35-110, ripening reddish-purple, 7-8 by 6-7.5 mm, length: width ratio 1.1-1.2, berries sessile, pericarp ± uniform in thickness or slightly thicker distally. Seeds 1 to 2 per berry, discoid or reniform, 5.8-6.5 by 6.8-7 mm, length: width ratio 0.8-1.0.
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