megaspore


megaspore
megaspore [meg′ə spôr΄]
n.
[ MEGA- + SPORE]
a haploid spore, usually larger than a microspore of the same plant, which gives rise to a female gametophyte: found in all vascular plants that have differentiated sexes in the gametophyte
megasporic
adj.

English World dictionary. . 2014.