Quinquefoliate

from WordNet (r) 3.0 (2006)

quinquefoliate
    adj 1: (of a leaf shape) having five leaflets

from The Collaborative International Dictionary of English v.0.48

Quinquefoliate \Quin`que*fo"li*ate\, Quinquefoliated
\Quin`que*fo"li*a`ted\, a. [Quinque- + foliate, -ated: cf. F.
   quinqu['e]foli['e], L. quinquefolius.] (Bot.)
   Having five leaves or leaflets. --Gray.
   [1913 Webster]