Much-branched, short-lived herb, 0.5-1.5 m tall, with red-striped stems. Leaves ovate or oblong, shortly petiolate, usually entire, glaucous-green, often mucronate at tip. Flowers in dense panicles, green, somewhat mealy.
Grey-mealy shrub to 1 m. Leaves ovate, oblong or sagittate. Flowers tightly clustered in upper axils, minute, yellowish.