Pharmacognostical evaluation of Drosera burmannii Vahl (Droseraceae)

Drosera burmannii Vahl, a member of Sundews group is an important medicinal and carnivorous. plant. Species of Drosera are used in medications for ailments like asthma, cough, ulcers besides being useful in homoeopathy. Many medically active phytoconsitutents including naphthoquinones, plumbagin and hydroplumbagin are reported in species of Drosera. The pharmacognostical evaluation and HPTLC profile help in drug identification and to establish marker compound. The occurrence of plumbagin, an antifertility agent in the taxon is significant.