Noun poisonous nightshade has 1 sense
  1. bittersweet, bittersweet nightshade, climbing nightshade, deadly nightshade, poisonous nightshade, woody nightshade, Solanum dulcamara - poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America
    --1 is a kind of nightshade
    --1 is a member of Solanum, genus Solanum
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