A herbaceous vine; Stems are fleshy, with prominent blunt tubercles whereas younger stems are slightly fleshy, thin epidermis, membranous, brownish, and glabrous; Leaves are large, heart shaped 6–12 cm long and 7–12 cm wide; petioles are glabrous and 5–15 cm long; leaf blade is slightly fleshy, both surfaces glabrous and very delicate when dried; contains two or three small and yellow or greenish yellow color flowers which are fascicled; Inflorescence in axillary racemes. Male inflorescences is very slender, 5–10 cm or longer; Male flower has six green and glabrous sepals in two whorls; outer three are ovate (1 mm) while inner three are obovate; 3–6 yellow color petals and six stamens equivalent in length to petals; Female inflorescences 2–6 cm long, mostly one flower per node; Female flower has sepals and petals as in male; Fruit drupe, 7–8 mm in length.