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senna 音标拼音: [s'ɛnə] n. 番泻树,晒干的番泻叶 番泻树,晒乾的番泻叶 senna n 1: any of various plants of the genus Senna having pinnately compound leaves and showy usually yellow flowers; many are used medicinallySenna \ Sen" na\, n. [ Cf. It. & Sp. sena, Pg. sene, F. s[' e] n[' e]; all fr. Ar. san[= a].] 1. ( Med.) The leaves of several leguminous plants of the genus { Cassia}. ({ Cassia acutifolia}, { Cassia angustifolia}, etc.). They constitute a valuable but nauseous cathartic medicine. [ 1913 Webster] 2. ( Bot.) The plants themselves, native to the East, but now cultivated largely in the south of Europe and in the West Indies. [ 1913 Webster] { Bladder senna}. ( Bot.) See under { Bladder}. { Wild senna} ( Bot.), the { Cassia Marilandica}, growing in the United States, the leaves of which are used medicinally, like those of the officinal senna. [ 1913 Webster]
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