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单词 acotyledonous
释义 acotyledonous, a. Bot.|əkɒtɪˈliːdənəs|
[f. prec. + -ous.]
Having no distinct cotyledons or seed-lobes, attribute of one of Jussieu's three great divisions of the vegetable kingdom.
1819Pantologia I. s.v., It is a doubt however, whether any plant be strictly acotyledonous.1835Hooker Brit. Flor. 477 Acotyledonous or Cellular Plants: this class corresponds with the 24th Cryptogamia in the Linnæan System.1880Gray Bot. Text-Bk. 394 Acotyledonous, without cotyledons..Mostly applied to plants which have no proper seed nor embryo, and therefore no cotyledon.
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