| ORDER | : Malpighiales |
| FAMILY | : Euphorbiaceae |
| GENUS | : Jatropa |
| SPECIES | : curcas |
| BOTANICAL NAME | : Jatropa curcas L. |
| SYNONYMS | : --- |
| COMMON NAME | : Physic nut. |
| TAMIL NAME | : Kattukottai |
| HINDI NAME | : Ratanjot |
| HABIT : A large shrub. |
| LEAVES : 3-5 lobed, green, smooth, base cordate. |
| INFLORESCENCE : Axillary cymes. |
| FLOWERS : Monoecious, greenish-yellow, bracts oblong. Sepals 5, free, disk with 5 glands, rudimentary ovary present. Ovary 3-lobed, style short, stigmas 3. |
| FRUITS : Capsule large, oblong, 3-lobed with 3 seeds each with a caruncle. |
| FLOWERING AND FRUITING TIME : September-November |
| The leaves, seeds and oil of Dravanti is used to treat ulcer, tumour, scabies, wound, haemorrhoid, wound, splenomegaly, skin diseases, rheumatism and paralysis. |
| Paste of dravanti, applied on wounds to clean to promote quick healing. Seeds are severe purgative. |