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|Noun||1.||zigadene - any of various plants of the genus Zigadenus having glaucous leaves and terminal racemes of mostly white flowers; all are poisonous|
liliaceous plant - plant growing from a bulb or corm or rhizome or tuber
genus Zigadenus, Zigadenus - genus of mostly North American poisonous plants; sometimes placed in family Melanthiaceae
alkali grass, Zigadenus elegans - plant of western North America having grasslike leaves and greenish-white flowers
white camas, Zigadenus glaucus - plant of eastern and central North America having creamy white flowers tinged with brown or purple; poisonous especially to grazing animals