Haumaniastrum dissitifolium (Baker) A. J. Paton

Perennial herb or suffrutex, up to 1.2 m tall, growing from a small woody rootstock, sometimes reduced to a thick underground woody stem. Stems 1-several, erect, quadrangular, branching, woody at base, pubescent. Leaves opposite, sometimes with clusters of younger leaves or shoots in axils, sessile or shortly petiolate, narrowly elliptic to ovate, up to 9 × 20 cm, sparsely to densely pubescent; veins raised or not beneath, diverging from midrib, curving before the margin; margin entire to serrate. Leaves subtending flower heads similar to other leaves, green or marked blue, sometimes paler at base, 7-20 mm long. Flowerheads 5-15 mm long, 5-10 mm in diameter with 6-flowered verticels. Calyx 1.5-2 mm long, densely villous, enlarging in fruit. Corolla 2-lipped, blue, greyish, purple, or rarely white, 4-6 mm long; tube 3-4.5 mm long; upper lip 4-lobed with small median lobes. Nutlets 1-1.5 mm long, brown.

Locally common

Angola, Burundi, DRC, Tanzania, Zambia, Malawi, Mozambique, Zimbabwe.

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