The contents of flavonoid in the leaf and stem of Sargentodoxa cuneata (Oliv.) Rehd. Et Wils. Were determined. In a whole growth season, the dynamic chang of fl
Primula interjacens Chen, an endemic and rare species to China, is restrictively distributed in Mt. Wuliangshan of Yunnan Province. Only three populations are found. The species has been fallen into e