[Pharmacognostic identification of Cryptolepis buchanaii].

OBJECTIVE: To supply basis for the establishment of quality standard of Cryptolepis buchanaii. METHOD: Characters of crude drugs, microscopic characteristic as well as UV spectrum of the herb were studied. RESULT: Laticifers were found in the cortex and pith of the stem; much papillary non-glandular hair was found covering the stomata in the sub-cuticle of the leaf. CONCLUSION: The results can be employed as the basis for identifying the herb.