UNIPAROUS
uniparous
(adjective) producing only one offspring at a time
Source: WordNet® 3.1
Etymology
Adjective
uniparous (not comparable)
(zoology) Producing a single egg or offspring at one time
(medicine) Primiparous.
(botany) Having a cluster of flowers that form a single axis at each branching
Source: Wiktionary
U*nip"a*rous, a. Etym: [Uni- + L. parere to bring forth.]
1. (Zoöl.)
Definition: Producing but one egg or young at a time.
2. (Bot.)
Definition: Producing but one axis of inflorescence; -- said of the
scorpioid cyme.
Source: Webster’s Unabridged Dictionary 1913 Edition