Distribution and Habitat: Cultivated in all parts of India; Bangladesh and Pakistan.

Botany: A shrub or small tree with stiff, sharp spines. 

• Leaves: Elliptic oblong, blunt or sometimes rounded at apex, the short petiole manifestly or narrowly winged, articulation marked.
• Flowers: Flew in the axils mostly not exceeding 12 mm in length, white throughout.
• Fruit: Round oval to oval and small, sometimes with a small nipple, segments 10, shallowly roughing, highly acid.

Properties: Fruit is an appetiser, antiseptic, refrigerant, stomachic.

Chemical; constituents: Fruit juice contains citric acid, volatile oil containing citral, limonene, linalool, linalyl acetae, terpineol and cymene. Leaf contains iso-pimpinellin, citropten.

Uses: It is used in diarrhoea, fractures, skin irritation, sore throat and eye complaints.

Propagation: seeds, cuttings and layers.