Erect herb, to 1 m tall, glabrate. Leaves 2 or 3 subopposite at a node (often with 1 leaf lobed and the other 2 entire), dimorphic; petioles 1.5-5 cm long, narrowly winged; blades broadly ovate, acuminate, rounded at base, entire or 3-5-lobed, the entire blades 5-6 cm long and 3-4 cm wide, the lobed blades 9-11 cm long and 6-10 cm wide. Racemes short, at the dichotomies of stems; peduncles 1-2 cm long; pedicels ca 1 cm long, broadening at apex; flowers 1-6; calyx ca 2 mm long; corolla white or yellowish, 10-12 mm long, lobed about halfway; filaments ca 1 mm long, attached to dorsal surface of a membranous ring inserted near base of corolla tube; anthers lanceolate, ca 6 mm long, with 2 terminal pores; ovary elongate, conical; stigma punctiform. Berries ellipsoid, ca 2 cm long, white at maturity, sometimes striped with green when young; seeds yellow, flattened, ca 1.5 mm long. Aviles 105, Zetek 5040.