Acacia seyal. GUM ARABIC TREE. THIRSTY THORN. WHISTLING-TREE. North Africa, Upper Egypt and Senegambia. It furnishes the best gum arabic. It is called glute by the Arabs of the upper Nile and whistling tree by the natives of Sudan. The holes left by the departure of a gall insect are rendered musical by the wind.
- ↑ Mueller, P. Sel. Pls. 12. 1891.
- ↑ Schweinfurth, G. Heart Afr. I:97-98. 1874. (A. fistula)