Liana 6-12 m high, main stem to 10 mm diam., leafy stem terete, c. 2 mm diam., green, glabrous except for minute hairs on young parts. Probract narrowly elliptic, c. 3 mm long, acute, subentire, with minute scattered glands. Tendrils 6-16 cm long. Leaves: petiole 10-15 mm long, 1.5-2 mm thick; blade membranous or slightly succulent, ovate-oblong, 8-13 by 3-6 cm, glabrous, glands on lower surface numerous, scattered, less than 0.5 mm diam., cystoliths absent, base rounded or shallowly cordate, margin entire or more usually with some minute sparse teeth up to 1 mm long, sometimes distinctly dentate in sterile shoots, apex acute-acuminate; basal veins 3(-5)-palmate, arching-up to halfway the blade, lateral veins 2-4 per side. Male inflorescences ± peduncled lateral panicles 10-15 cm long, loose, composed of few few-flowered short racemes 2-4 cm long; bracts small, 1 mm or less, tardily caducous. Male flowers: pedicel c. 4 mm long, articulate c. ± halfway; expanded perianth 10(-15) mm wide; receptacle-tube c. 4 by 5 mm; sepals green, later brown, triangular, c. 0.5 mm long; petals (narrowly) elliptic, c. 8 by 4 mm, obtuse, 5-8-veined, inside and outside minutely sparsely grey-brown pubescent (hairs c. 0.2 mm long), margin finely fimbriate; filaments subulate, c. 3 mm long, with few hairs in the lower portion; anther head c. 4 mm wide, anthers c. 3 mm diam., connective broad, glabrous. Female flowers solitary or 4-7 in a short raceme (peduncle 3-4 cm long); bracts minute; pedicel in solitary flower 10-15 mm long, in raceme c. 5 mm long; ovary cylindrical-oblong, 9-10 by c. 3 mm, at apex somewhat narrowed into a c. 2 mm long neck, minutely brownish pubescent, green with paler irregular lengthwise flecks and faintly warty bands; receptacle-tube cup-shaped, c. 3.5 by 4 mm, inside thickened and with 5 faint disc pads; sepals shortly connate forming at anthesis a tube 1(-2) mm long with the lobes somewhat reflexed, acute, 1-1.5 by c. 0.5 mm; petals subacute, c. 10 by 4-5 mm, connate for up to 0.5 mm only, 3(-5)-veined, minutely papillose-hairy, short-woolly at base, apices in bud slightly contorted; style cylindrical, at base somewhat broadened, 9-10 by 1(-1.5) mm, stigma of 3 sessile ± recurved parts, each elongated heart-shaped, 3.5-4 by c. 2 mm, papillose; staminodes subulate, c. 6 mm long, soft-haired. Fruit at first green, darker flecked, ripening red, smooth, glabrous, narrowly ellipsoid, (4-)8-10 by (2-)4-4.5 cm, base rounded, apex acute, 2-3 mm beaked; exocarp thin on drying; endocarp juicy, on drying leaving thin membranes around the seeds; fruiting pedicel slender, 0.5-1 cm long (in raceme) or 3.5-5 cm long (when fruit solitary), c. 5 mm thick. Seeds 20-30, somewhat compressed globose, 9-10 by 8-9 by c. 4 mm, with a faint margin, smooth, edge entire.
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