常見例句The identity of Rhamnus ussuriensis J. Vass. 烏蘇里鼠李的名實(shí)問題。Rhamnus obovatilimba Merrill &F. 頁梅特卡夫。A buckthorn(Rhamnus purshiana) native to northwest North America,the bark of which is the source of cascara sagrada. 藥鼠李樹原產(chǎn)北美洲西北部的一種藥鼠李樹(珀希鼠李鼠李屬),其樹皮是藥鼠李皮劑的原料。Definition: Cascara consists of the dried, whole or fragmented bark of Rhamnus purshianus D. 本品為鼠李科植物珀希鼠李Rhamnus purshianus D.Morphology, taxonomy and distribution of the genus Rhamnus L. (Rhamnaceae) in the north eastern China. 中國東北鼠李屬植物形態(tài)、分類與地理分布. 返回 Rhamnus croceus