medullosalean

English dictionary entry

Meanings

noun
  1. Any of the order Medullosales of pteridospermous seed plants characterised by large radiospermic ovules with a vascularised nucellus, complex pollen-organs, stems and rachises with a dissected stele, and frond-like leaves.

Word forms

medullosalean medullosaleans

Etymology

Medullosales + -an

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