Lianas. Leaves not peltate or very slightly peltate; lamina ± elliptic, triplinerved. Inflorescences axillary, terminal or cauliflorous; paniculate or racemose. Male flowers: sepals and petals streaked with dark red lines and spots; sepals 12-15 in whorls of 3, imbricate, composed of 2 large inner whorls and 2-3 much smaller outer whorls; petals 6, the inner 3 auriculate at the base and clasping the opposite stamen; stamens 6, free, connective enlarged, projecting inwards (adaxially). Female flowers: sepals and petals as in male flowers; staminodes 6, minute; carpels 6, style reflexed. Drupe large (c. 4 cm long), oblong-ellipsoidal, narrowed at the base into a stalk, style-scar near base; endocarp smooth with a thin inner longitudinal septum (i.e. condyle) around which the seed is bent double; endosperm absent; cotyledons long and thick, radicle short.
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