Tree to 40 m. high, with a long clear bole and large buttresses to 6 m. high; bark grey, with blunt conical spines to 3 cm. long on trunk and sometimes on young branches; branches in whorls, forming a layered crown.. Branchlets glabrous.. Leaves 5-7(-9)-foliate; petiole 22-24 cm. long; petiolules 0.7-2 cm. long; leaflets obovate, 8-23 cm. long, 3-7.5 cm. wide, caudate-acuminate at the apex, cuneate to decurrent at the base, glabrous to sparsely puberulous beneath; secondary veins in 15-25 pairs.. Inflorescences of axillary fascicles of 2-6 flowers, or flowers solitary; flowers often present when the tree is leafless; pedicel 10-25 mm. long, glabrous or puberulous.. Calyx cupuliform and truncate or undulate, 10-16 mm. long, 25-45 mm. wide, glabrous to stellate-tomentellous outside, silky-villous inside.. Petals oblong, obtuse or rounded at the apex, 5.5-9.5 cm. long, 2.5-3.7 cm. wide, orange or red, puberulous.. Stamens many, 3.5-4.5 cm. long, the filaments united at their base into a tube of 5-8 mm.; filaments pubescent towards the base and grouped in an outer whorl of 5 bundles and an inner whorl of 5 pairs; anthers 2-2.5 mm. long.. Ovary conical, 5-8 mm. high, 4-5 mm. across at the base, glabrous; style 4-5 cm. long; stigma with reflexed lobes.. Fruit oblong, 5-ridged (when young) to 5-angular (when mature), obtuse at the apex and the base, 8-18 cm. long, 3.5-6 cm. across, dark brown or black.. Seeds pyriform, 5-6 mm. across, dark brown, covered with white woolly indument.
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A tree which loses its leaves during the year. It grows to 15-40 m tall and spreads to 3 m wide. The trunk is erect and stout. It is swollen in the middle and branches at the top. It has rough spiny bark. The leaves are divided like fingers on a hand. There are 5 bright green leaflets which are oblong and pointed towards the tip. The flowers are deep pink to red. They are 5 cm across. They are bell shaped and have 5 petals. They occur in crowded clusters near the ends of branches. The fruit is a ball shaped capsule.
Bark with stout conical spines mainly on the younger branches
Large tree of forest regions, to 120 ft. high