• (a.) Having several leaves; -- used especially when several leaves or leaflets appear where normally there should be only one.
Plei·oph'yl·lous adjective [ Greek ... more + ... leaf.] (Botany) Having several leaves; -- used especially when several leaves or leaflets appear where normally there should be only one. 
pleiophylly, pleiophyllous A condition of an abnormal increase in the number of leaves growing from a certain point, or in the number of leaflets of a plant.