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''Celastrus'', commonly known as staff vine, staff tree or bittersweet is a genus in the Celastraceae family which comprises about 30-40 species of shrubs and vines. They have a wide distribution in East Asia, Australasia, Africa and the Americas. The leaves are alternate and simple ovoid, typically long. The flowers are small, white, pink or greenish, and borne in long panicles; the fruit is a red three-valved berry. The fruit are eaten by frugivorous birds, which disperse the seeds in their droppings. All parts of the plants are poisonous to humans if eaten. In North America, they are known as bittersweet, presumably a result of confusion with the unrelated Bittersweet (''Solanum dulcamara'') by early colonists. ''C. orbiculatus'' is a serious invasive weed in much of eastern North America. ==Selected species== *''Celastrus angulatus'' Maxim. - Chinese Staff Vine *''Celastrus australis'' - Australian Staff Vine *''Celastrus dispermus'' - Orange Boxwood *''Celastrus flagellaris'' Rupr. *''Celastrus gemmatus'' Loes. *''Celastrus hindsii'' Benth. *''Celastrus monospermus'' Roxb. *''Celastrus orbiculatus'' Thunb. - Oriental Bittersweet *''Celastrus paniculatus'' Willd. - Peng *''Celastrus pyracanthus'' - South African Staff Vine *''Celastrus rosthornianus'' Loes. *''Celastrus scandens'' L. - American Bittersweet *''Celastrus stylosus'' Wall. *''Celastrus vaniotii'' (H.Lév.) Rehder 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Celastrus」の詳細全文を読む スポンサード リンク
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