| ORDER | : Fabales |
| FAMILY | : Fabaceae |
| GENUS | : Tephrosia Pers. |
| SPECIES | : purpurea (L.) Pers. |
| BOTANICAL NAME | : Tephrosia purpurea (L.) Pers. |
| SYNONYMS | : Cracca purpurea L. |
| COMMON NAME | : Wild indigo. |
| TAMIL NAME | : Kolinchi |
| HINDI NAME | : Sharpunkha |
| HABIT : An erect shrub or undershrub, much branched with stems and branches more or less hairy with appressed hairs. |
| LEAVES : Stipulate, stipules lanceolate, erect or reflexed, hairy. Leaflets 11-21, often 5-17, oblanceolate or fairly broadly obovate, glabrous above, fairly densely hairy beneath. |
| INFLORESCENCE : Flowers in lax racemes, which are leaf-opposed and lax. |
| FLOWERS : Calyx 4 mm long, corolla about twice as long as the calyx, deep purple. |
| FRUIT : Pods slightly curved, mucronate, finally glabrescent. Seeds 5-6. |
| FLOWERING AND FRUITING TIME : September - October |
| According to Ayurveda, plant is digestible, anthelmintic, alexiteric, antipyretic, alternative, cures diseases of liver, spleen, heart, blood, tumours, ulcers, leprosy, asthma, poisoning etc. |
| According to Unani system of medicine, root is diuretic, allays thirst, enriches blood, cures diarrhea, useful in bronchitis, asthma, liver, spleen diseases, inflammations, boils and pimples; Leaves are tonic to intestines and a promising appetizer. |
| Good in piles, syphilis and gonorrhoea. |