The Collaborative International Dictionary of English v.0.48:
Uniparous \U*nip"a*rous\, a. [Uni- + L. parere to bring forth.] 1. (Zool.) Producing but one egg or young at a time. [1913 Webster] 2. (Bot.) Producing but one axis of inflorescence; -- said of the scorpioid cyme. [1913 Webster]WordNet (r) 3.0 (2006):
uniparous adj 1: producing only one offspring at a time [ant: multiparous]