Oncocalyx quinquenervius (Hochst.) Wiens & Polhill

Aerial, hemiparasitic shrub of relatively small size, usually less than 0.5 m high, glabrous. Leaves mostly alternate, blades usually elliptic to ovate-suborbicular, leathery, dark green, with 1 or 2 pairs of nerves strongly ascending from near base, but often obscure. Inflorescence a 2-6-flowered umbel with short peduncles and pedicels shorter than 2 mm, solitary in axils or fascicled on older swollen nodes. Flowers 5-merous, gamopetalous, bilaterally symmetrical by presence of unilateral, V-shaped split ± as long as erect lobes, with conspicuous basal swelling, mostly yellow, sometimes with bands of red, white, pink and pale green in various combinations; filaments coiled or curved at anthesis. Fruit a red, usually ovoid berry, occasionally verrucose.