Vachellia nebrownii (Burtt Davy) Seigler & Ebinger

nebrownii: named after botanist N.E. Brown, who did much work on African plants at Kew but never visited the continent.

Usually a densely spiny, multi-stemmed, shrub, up to 3 m tall, with slender stems and branches. Young branches orange-red or purplish with shiny smooth bark, thinly peeling, and scattered reddish glands. Spines very white, straight, up to 6 cm long, in pairs at the nodes. Leaves clustered between the spines, short, up to c. 3 × 2 cm, usually with only 1 or 2 pairs of pinnae; leaflets in 3-5 pairs per pinna, up to 8 mm long, yellow-green rounded at the apex, sometimes with a small mucronate tip. Flowers in bright yellow spherical heads at the nodes, sweetly scented. Pods small, usually less than 5 cm long, curved, covered with small reddish glands, dehiscent.

Not widespread but locally common.

Angola(?), Botswana, Namibia, Zambia, Zimbabwe and just into northern S Africa.