The silk-cotton tree (Bombax ceiba), miomba, tamarisk, copal tree (Hymenaea courbaril) are frequent, besides sycamores, banyan trees (Ficus indica) and the deleb palm (Borassus aethiopum).
From the forests are obtained rubber, copal, bark, various kinds of fibre, and timber (teak, mahogany, &c.).
It is allied to copal in its nature and appearance, and is much used by varnish-makers.
Amber has often been imitated by other resins like copal and kauri, as well as by celluloid and even glass.
Ivory, rubber and copal are the chief exports.