Definition of "acotyledonous" []

• Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc. (adjective)

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• "Thus the numbers 5 and 4 and their multiples prevail among dicotyledonous and exogenous plants; the number 3 and its multiples occur among monocotyledonous or endogenous plants; while 2 and 4, and multiples of them, are met with among acotyledonous or acrogenous plants.”"