Haumaniastrum villosum (Benth.) A. J. Paton

Annual or short-lived perennial herb, up to 1.6 m. Stems erect or ascending, quadrangular, sometimes with adventitious roots at base, pubescent, more densely so above; hairs often bluish. Leaves opposite, elliptic or ovate, up to 12 × 5 cm, sparsely pubescent; veins diverging from midvein; margin subentire or serrate, sometimes rolled under; petioles up to 12 mm long. Upper leaves subtending heads up to 5 cm long, uniformly green or blue or yellow to whitish at base or all over. Flowerheads 5-30 mm long, 5-12 mm in diameter with 6-flowered verticils. Calyx 1-2 mm long, extending up to 5 mm in fruit, sometimes purplish, hairy. Corolla white, pink or blue, 3-7 mm long; tube 2.5-5 mm; upper lip 3-lobed with mid-lobe entire or minutely notched. Nutlets dark brown, 1 mm long.

Frequent

Guinea, Nigeria, Cameroon, Central African Republic, Rwanda, Burundi, Zaire, Sudan, Ethiopia, Uganda, Kenya, Tanzania, Mozambique, Zambia, Zimbabwe, Angola, Madagascar.

Haumaniastrum villosum là một loài thực vật có hoa trong họ Hoa môi. Loài này được (Benth.) A.J.Paton mô tả khoa học đầu tiên năm 1997.