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protonema

protonema


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Protonema  \Pro`to*ne"ma\,  n.;  pl  {Protonemata}.  [NL.,  fr  Gr  ? 
  first  +  ?,  ?,  a  thread.]  (Bot.) 
  The  primary  growth  from  the  spore  of  a  moss,  usually 
  consisting  of  branching  confervoid  filaments,  on  any  part  of 
  which  stem  and  leaf  buds  may  be  developed.