Fig. 53.

Senegalia tonkinensis. A – Leaf showing relatively few pinnae and position of petiole glands (thick arrow) and rachis gland (thin arrow). B – Leaflet (lower surface) appressed-hairy, sessile, with petiolule (p) centrally-situated and ±not extended below base of leaflet, and obliquely truncate at apex with distinct mucro (m). C – Stipule caudate-acuminate. D – Inflorescence bud showing acuminate bracteoles distinctively exserted. E − Pod. F - Node showing hairy branchlet and leaf with two petiole glands. G – Petiole gland (lowermost) prominent and conical. H – Petiole gland (uppermost). Vouchers: H. Sun 1356 (A, C, D & F); Y.Y. Qian 2085 (B, E, G & H). Drawn by Joshua Yang.