common nightshade
— Noun
– English
～ Eurasian herb naturalized in America having white flowers and poisonous hairy foliage and bearing black berries that are sometimes poisonous but sometimes edible
climbing nightshade
— Noun
– English
～ poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America
Centaurea nigra
— Noun
– English
～ a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized