A flat topped or umbrella shaped big tree. Stipules spinescent, some short hooked up to 5 mm long, mixed with long straight up to 8-10 cm long. Pinnae 2-10 pairs, leaflets 6-19 pairs. Inflorescence capitate, globose, white to creamy. Pod 7.5-15.0 cm long, c. 6-9 mm broad, contorted or spirally twisted.

Type: Arabia, “Mons Soudan Prope Has”, Forskal (C, holo.!).

Distribution: Algeria to Egypt and Arabia, southwards to S. Africa, introduced in Changa-Manga (A.H. Khan, l.c.).

Gum used in the manufacture of mucilage, pharmaceuticals and medicine.