nonwoody

from WordNet (r) 3.0 (2006)

nonwoody
    adj 1: not woody; not consisting of or resembling wood [ant:
           {woody}]

from The Collaborative International Dictionary of English v.0.48

nonwoody \nonwoody\ adj.
   not woody; not consisting of or resembling wood; as, nonwoody
   plants. Opposite of {woody}. [Narrower terms: {herbaceous};
   {pulpy, fleshy}]
   [WordNet 1.5]