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n. Botany
The development of an embryo without the occurrence of fertilization.

ap′o·gam′ic (ăp′ə-găm′ĭk), a·pog′a·mous adj.
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Adj.1.apogamous - of or relating to the development of an embryo in the absence of fertilization
phytology, botany - the branch of biology that studies plants
References in periodicals archive ?
aureum, made by factors that influence sex expression, density of gametophytes, pH, and sucrose in the gametophytes, and examined the formation of normal and apogamous sporophytes.
Given the high incidence of apogamous processes in the family Pteridaceae (Huang et al.
diphyllum megagametophytes (Mahlberg and Baldwin, 1975), the exclusive use of megaspores prevented the establishment of cultures containing a mixture of sexual and apogamous sporophytes (Wunder et al., 2009).