cycadales
English Thesaurus
1. primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms (noun.plant)
| hypernym | : | plant order, |
| definition | : | the order of plants (noun.plant) |
| member holonym | : | cycad family, cycadaceae, family cycadaceae, |
| definition | : | ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids (noun.plant) |
| member holonym | : | family zamiaceae, zamia family, zamiaceae, |
| definition | : | a family of cycads often included in the family Cycadaceae: zamias (noun.plant) |
| member meronym | : | class cycadopsida, cycadophyta, cycadophytina, cycadopsida, subdivision cycadophyta, subdivision cycadophytina, |
| definition | : | palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta) (noun.plant) |
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