Descriptions : Tree, with stipular thorns;
leaves stipulate, bipinnate,with approximately 8-12 pairs of pinnae
which are opposite or alternate; pinnae with many small leaflets; leaflets with 1 prominent vein;
petiole and rachis with adaxial glands; petiole and rachises hairy;
inflorescence a panicle of ball-like clusters of many small, sessile flowers, peduncle hairy;
flower: calyx (obconical with 5 lobes, hairy outside, yellow; corolla obconical with 5 lobes, hairy outside,
yellow; stamens with many small, yellow anthers; pistil yellow, ovary hairy, style glabrous, filiform,
flattened, stigma small.