pinnatifid

from WordNet (r) 3.0 (2006)

pinnatifid
    adj 1: (of a leaf shape) cleft nearly to the midrib in broad
           divisions not separated into distinct leaflets

from The Collaborative International Dictionary of English v.0.48

Pinnatifid \Pin*nat"i*fid\, a. [L. pinnatus feathered + root of
   findere to split: cf. F. pinnatifide.] (Bot.)
   Divided in a pinnate manner, with the divisions not reaching
   to the midrib.
   [1913 Webster]