Shrub up to 1 m tall, often aromatic. Stem and branches glabrous or pubescent to tomentose. Leaves opposite, less often alternate, 3-8 cm long, 1.5-2.5 cm broad, elliptic-oblong to lanceolate, acute or obtuse, midrib and lamina glabrous to pubescent, subsessile. Flowers greenish yellow, in axillary or extra axillary heads or short spikes. Calyx tube 5-7 mm long, pubescent, 4 lobed; lobes c. 2.2 mm long, obovate, irregular. Disc c. 1.5 mm long, with 1-3 linear to pinnatifid segments. Upper 4 stamens exserted. Ovary 1.5 mm long, pubescent, subsessile; less than 1 mm long; stigma capitate. Fruit c. 4.5 mm long, ovoid.