The Collaborative International Dictionary of English v.0.48:
Amentiferous \Am`en*tif"er*ous\, a. [L. amentum + -ferous.] (Bot.) Bearing catkins. --Balfour. [1913 Webster]WordNet (r) 3.0 (2006):
amentiferous adj 1: (of plants) bearing or characterized by aments or catkins [syn: amentiferous, amentaceous]