| Sandpaper Fig, Ficus sur, Ficus hispida, Ficus thonningii, Ficus glumosa|
Ficus exasperata, also called the sandpaper tree, forest sandpaper fig, white fig, or sandpaper leaf tree, is a deciduous, and dioecious species of plant in the mulberry family Moraceae, native to tropical Africa, from Senegal, Ethiopia, Djibouti, Mozambique to Angola, and southern Asia of India, Sri Lanka, and to Arabian countries such as Yemen.
Sandpaper tree is a small to medium-sized tree in the banyan group of figs, growing to 20–30 metres (66–98 ft). The trunk develops aerial and buttressing roots to anchor it in the soil and help support heavy branches. It has almost distichous and alternate which are almost opposite, simple; blade ovate to elliptical or obovate; base acute to obtuse; apex shortly acuminate, acute or obtuse; and margin toothed to entire. Flowers are unisexual and are pink, purplish, or yellow, becomes orange or red at maturity.
Fruit is a syconium and trees may be either female or hermaphrodite. Hermaphrodite trees are functionally male. The tree is known to pollinated by the wasp Kradibia gestroi, where the female lays eggs in female trees with only short-styles. Besides sexual reproduction, the tree may grow with vegetative means propagated by seed and cuttings.
Sandpaper tree is widely used as a source of sandpaper and as a valuable medicinal plant. The extracts from the tree used to treat as anti-ulcer, hypotensive, lipid-lowering, analgesic, anti-inflammatory and antipyretic activity.
Ficus exasperata Wikipedia