
• (n. pl.) Thin brownish chaffy scales upon the leaves or young shoots of some plants, especially upon the petioles and leaves of ferns.
Found on 
http://thinkexist.com/dictionary/meaning/ramenta/
Ra·men'ta (rȧ*mĕn'tȧ) 
 noun plural [ Latin , scrapings.] 
 (Botany) Thin brownish chaffy scales upon the leaves or young shoots of some plants, especially upon the petioles and leaves of ferns. 
 Gray. Found on 
http://www.encyclo.co.uk/webster/R/8
  No exact match found.