资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ramenta \Ra*men"ta\, n. pl. [L., scrapings.] (Bot.)
   Thin brownish chaffy scales upon the leaves or young shoots
   of some plants, especially upon the petioles and leaves of
   ferns. --Gray.

资料来源 : WordNet®

ramenta
     See {ramentum}