The Collaborative International Dictionary of English v.0.48:

Nodulose \Nod"u*lose`\ (n[o^]d"[-u]*l[=o]s`), Nodulous
\Nod"u*lous\ (n[o^]d"[-u]*l[u^]s), a. (Biol.)
   Having small nodes or knots; diminutively nodose.
   [1913 Webster]