Canthium coromandelicum, also known as Karai, is a bushy thorny suffruticose herb, a native of India found mainly in the Coromandel region.

Canthium coromandelicum is a shrub, usually with opposite horizontal thorns a little above the leaf.

Leaves are ovate, smooth, and often fascicled on young shoots.

Short, few flowered racemes arise in leaf axils.

The fruits are obovate and furrowed on each side, with their color ranging from red to brown, with a dark pink being the prominent color when ripe.