Babul (Acacia nilotica) Details : Common name: gum arabic tree Hindi Name: Babool Botanical name: Acacia nilotica Family : Fabaceae Acacia nilotica (gum arabic tree Babul/Kikar Egyptian thorn Sant tree Al-sant or prickly acacia; called thorn mimosa or prickly acacia in Australia; lekkerruikpeul or scented thorn in South Africa) is a species of Acacia native to Africa the Middle East and the Indian subcontinent. It is also currently an invasive species of significant concern in Australia. Acacia nilotica is a tree 5â€“20 m high with a dense spheric crown stems and branches usually dark to black coloured fissured bark grey-pinkish slash exuding a reddish low quality gum. The tree has thin straight light grey spines in axillary pairs usually in 3 to 12 pairs 5 to 7.5 cm (3 in) long in young trees mature trees commonly without thorns. The leaves are bipinnate with 3â€“6 pairs of pinnulae and 10â€“30 pairs of leaflets each tomentose rachis with a gland at the bottom of the last pair of pinnulae. Flowers in globulous heads 1.2â€“1.5 cm in diameter of a bright golden-yellow color set up either axillary or whorly on peduncles 2â€“3 cm long located at the end of the branches. Pods are strongly constricted hairy white-grey thick and softly tomentose. Its seeds number approximately 8000/kg.