Thamnosma africana Engl.

Perennial woody-based herb or subshrub up to 1 m tall, densely gland-dotted. Leaves 3-5-fid or leaves sometimes simple on short-shoots in leaf axils; segments 10-25 x 1-2 mm, narrowly oblanceolate, gradually tapering at the base, emarginate at the apex, subentire or slightly crenulate at the margins. Flowers in terminal cymes; pedicels 3-5 mm long in flower, elongating up to 12 mm in fruit. Sepals 4, 1-1.6 mm long, suborbicular, united at the base. Petals 4, yellow, greenish-yellow or dirty white, often turning maroon, 5-6 mm long, ovate-orbicular, entire. Stamens 8, subequal, shorter than petals; filaments glabrous, scarcely dilated towards the base; anthers broadly ovate, 1-1.5 mm long, connective with an apical gland; disk annular, crenulate; ovary sessile, with several ovules per locule, 2-lobed, glandular; style c. 2.5 mm long with capitate stigma. Capsule 8-10 x 4-6 mm, lobed halfway with narrow sinus. Seeds reniform with longest dimension c. 1.5-2 mm, muricate with spine-like ornamented tubercles up to c. 0.3 mm long.

It is a subtropical plant.