HPLC fingerprint of Paris polyphylla var. yunnanensis HPLC fingerprint of Paris polyphylla var. yunnanensis Variation of botanical morphologic characteristics between wild and cultivated populations of Gentiana rigescens in Yunnan-Guizhou Plateau Analysis on genetic diversity and genetic structure among three types of Coptis chinensis by ISSR Establishment of quality evaluation system and difference analysis on roots of Codonopsis pilosula from different habitats Dertermination of six alkaloids in different parts of Coptis chinensis by HPLC Analysis on ITS sequence differences of Corydalis tomentella and C. saxicola Cloning and sequence analysis ofcycloartenol synthase gene from Paris polyphylla var. yunnanensis Chemical constituents in roots and stems of Physalis alkekengi var. franchetii Research on limiting factors of photosynthesis in Coptis chinensis leaves under short-term drought Chemical constituents from rhizomes of Coptis chinensis Chemical constituents from Swertia mussotii