[Study of quality on rhubarb from different habitats in Qinghai Province].

OBJECTIVE: To investigate the effect of different habitats on rhubarb quality. METHOD: The rhubarb samples from various parts of Qinghai province were analysed by fingerprint. RESULTS AND CONCLUSION: The distribution and quality of wild Tangute rhubarb is better than Palmate sorrel rhubarb. The quality of high altitude sampes are better than low altitudes. The quality which from the grassland of plateau is better than chestnut soil area's, and the wild is better than that of planting.