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plumule




  1. (BOTANY) The portion of a seedling stem (epicotyl) of a seed plant above the cotyledon, together with the two young leaves.

  2. (ZOOLOGY) A down feather. Plumules are the temporary feathers of nestling birds, which persist in some adult birds between contour feathers. They lack barbules.

Related categories

   • BOTANY
   • ZOOLOGY