Erect, straggly, branching shrub to 1.5 m high. Branchlets sparsely puberulous when young, with glossy glandular-verrucose ridges from decurrent leaf bases. Leaves sessile, spreading, clavate, 4–9 mm long, rounded at apex with black apiculum, flattened and sulcate adaxially, ciliate on margin otherwise glabrous. Flowers solitary, 13–17 mm long; pedicel to 1 mm long, fleshy. Sepals ±equal, broadly elliptic, 2.4–3.8 mm long, sparsely ciliate otherwise glabrous, glossy, fleshy with chartaceous margin, glandular-verrucose, green turning red with age. Petals ovate-oblong, 11–15 mm long, yellow towards base, red medially, with apices green becoming black with age, minutely ciliate. Stamens: tube densely silky, white turning red with age; anthers 2.4–3.2 mm long.