The Collaborative International Dictionary of English v.0.48:
Calycinal \Ca*lyc"i*nal\, Calycine \Cal"y*cine\, a. (Bot.) Pertaining to a calyx; resembling or having the nature of a calyx. [1913 Webster]WordNet (r) 3.0 (2006):
calycinal adj 1: of or relating to or resembling a calyx [syn: calyceal, calycine, calycinal]