Annual or perennial herb, 0.15-1.00 m high, trichotomously branched. Leaves green, opposite, obovate, entire; petioles ± 4 mm long. Inflorescences at first short becoming longer, terminal on stem and branches, tipped. Flowers bisexual, small, solitary in axils of bracts; tepals glabrous or pubescent. Flowering time Apr.?