any of several plants having numerous stamens or threadlike runners: such as great saint-john's-wort; jerusalem star; strawberry geranium; kenilworth ivy; or Aaron's-beard cactus: a cactus (Opuntia leucotricha) that has white hairs on its joints.
any of several plants having numerous stamens or threadlike runners: such as great saint-john's-wort; jerusalem star; strawberry geranium; kenilworth ivy; or Aaron's-beard cactus: a cactus (Opuntia leucotricha) that has white hairs on its joints.