Vetchling

from WordNet (r) 3.0 (2006)

vetchling
    n 1: any of various small plants of the genus Lathyrus; climb
         usually by means of tendrils

from The Collaborative International Dictionary of English v.0.48

Vetchling \Vetch"ling\ (v[e^]ch"l[i^]ng), n. [Vetch + -ling.]
   (Bot.)
   Any small leguminous plant of the genus {Lathyrus},
   especially {Lathyrus Nissolia}.
   [1913 Webster]