M. Thulin, A.S. Hassan, & B.T. Styles (1993) 1:341-395
Plants trees 5-10 m tall; bark yellowish, flaking; young branchlets almost glabrous or puberulent, purplish brown, internodes mostly 3-4 cm long. Prickles in threes, the central one hooked downwards and the laterals curved slightly upwards. Leaves petiolate; petioles with a distinctly raised gland; pinnae 3-7 pairs; leaflets 8-27 per pinna, about 5-8 mm long and 1-2 mm wide, lower surfaces pubescent. Inflorescences spikes up to 11 cm long, the axes glabrous or almost so. Flowers cream; calyces about 3 mm long; corollas about 3.5 mm long. Pods straight, dehiscent, 8-15 cm long, 1.3-2 cm wide, brown, veined, pubescent; seeds subcircular, 8-10 mm in diameter; areoles 3.5-4 mm long, 2.5-3 mm across.
Senegallia circummarginata grows in acacia-Commiphora bushland at 230-490 m. It is known from regions C2, and S1 of the Flora of Somalia, and possible region N1. Outside of Somalia, it extends south to the Transvaal.