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

Haplostemonous \Hap`lo*stem"o*nous\, a. [Gr. "aplo`os simple +
   sth`mwn a thread.] (Bot.)
   Having but one series of stamens, and that equal in number to
   the proper number of petals; isostemonous.