马甲子是从深山老林中发掘并培育成功的一种特有刺树种,由于它全身是刺,连鸟都不敢接近,所以又叫“鸟不站刺,铁离笆”。其果实呈环状或碗状,外有棕色或黄褐色茸毛,种子紫色、扁圆形。每 As a special kind of thorn tree that has been excavated and cultivated successfully from the deep forests, the vestibule has its own sting. Even the birds are afraid to come close, so they are also called “the birds do not stab and the iron leaves the fence.” Its fruit is ring-shaped or bowl-shaped, outside with brown or brown hair, purple seed, oblate. each