Low growing wiry perennial. Branches sharply 4-angled, ± glabrous. Leaves sessile, simple, oblong to oblong-elliptic, 1–3 cm long, entire, flat, obtuse, glabrous below, scabridulous above. Flowers in terminal and upper axillary cymes; peduncle short or slender, to 1 cm long; pedicels slender, 5–10 mm long. Sepals deltate, c. 1.5 mm long, glabrous. Petals elliptic, 6–7 mm long, wrinkled on margin, red; adaxial surface pilose towards base; abaxial surface glabrous. Stamens all similar; filaments flat or terete, densely ciliate, globular and verrucose at apex; anther apiculum prominent, c. 0.5 mm long. Disc entire, glabrous. Ovary glabrous; style and stigma together cylindrical, c. 0.5 mm long, glabrous.