资料来源 : pyDict

每次只产一卵的,单梗的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Uniparous \U*nip"a*rous\, a. [Uni- + L. parere to bring forth.]
   1. (Zo["o]l.) Producing but one egg or young at a time.

   2. (Bot.) Producing but one axis of inflorescence; -- said of
      the scorpioid cyme.

资料来源 : WordNet®

uniparous
     adj : producing only one offspring at a time [ant: {multiparous}]