genus Hyoscyamus


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Noun1.genus Hyoscyamus - genus of poisonous herbs: henbanegenus Hyoscyamus - genus of poisonous herbs: henbane  
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
family Solanaceae, potato family, Solanaceae - large and economically important family of herbs or shrubs or trees often strongly scented and sometimes narcotic or poisonous; includes the genera Solanum, Atropa, Brugmansia, Capsicum, Datura, Hyoscyamus, Lycopersicon, Nicotiana, Petunia, Physalis, and Solandra
black henbane, henbane, Hyoscyamus niger, stinking nightshade - poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
Egyptian henbane, Hyoscyamus muticus - poisonous herb whose leaves are a source of hyoscyamine