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|Noun||1.||genus Hesperis - biennial or perennial erect herbs having nocturnally fragrant flowers|
dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs
Brassicaceae, Cruciferae, family Brassicaceae, family Cruciferae, mustard family - a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives