Erect to decumbent herb or shrub to 2 m high, sometimes epiphytic or lithophytic, glabrous, monoecious; stems succulent, infrequently branched. Leaves simple, opposite but one of pair much smaller to minute (leaves often appearing alternate due to one of each pair being greatly reduced and caducous); lamina of persistent leaves narrowly oblong, elliptic or obovate, asymmetrical, acuminate apex, cuneate at base, entire to very weakly denticulate or shallowly crenulate in distal half, (3–) 8–15 (–22) cm long, 2.5–4 cm wide, fleshy, glabrous, with crowded elongated cystoliths; lateral veins 6–11 pairs, faint; petiole c. 3–15 mm long. Caducous leaves c. 3–15 mm long. Male inflorescence cymose, few-flowered; peduncle to 3 cm long; flowers pedicellate; tepals 5. Female inflorescence capitulate, sessile, many-flowered; flowers subsessile to sessile, c. 1 mm long; stigma brush-like, short. Achene ovoid, c. 1–1.5 mm long, warty, on reddish receptacle.
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A herb. It can partly lie or grow off other plants. It can grow 2 m tall. The stems are succulent. The leaves are opposite but one of the pair is small. The leaf blade is 5-15 cm long by 3-4 cm wide. The fruit are red and like strawberries.
Grows in rainforest, moist shady areas. On Christmas Island, grows in crevices in limestone cliffs or rocks, preferring shaded or moist situations where it sometimes forms thickets.
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A tropical plant. It grows in the forest near the coast. It is often on limestone.