A trailing or climbing spiny shrub (Euphorbia milii) native to Madagascar and cultivated as a houseplant, having showy flower clusters with usually red, petallike bracts.

• 铁海棠，虎刺梅：一种原产于马达加斯加多刺攀缘灌木（虎刺梅大戟属），作为一种室内植物培植，通常开有红色花瓣状苞片的华丽花簇