Youth-on-age

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  youth-on-age \youth`-on-age"\ n. (Bot.)
     A vigorous perennial herb ({Tolmiea menziesii}) with flowers
     in erect racemes and having young plants develop at the
     junction of a leaf blade and the leafstalk.
  
     Syn: pickaback plant, piggyback plant.


          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  youth-on-age
       n : vigorous perennial herb with flowers in erect racemes and
           having young plants develop at the junction of a leaf
           blade and the leafstalk [syn: {pickaback plant}, {piggyback
           plant}, {Tolmiea menziesii}]