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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 ?
Sexual taxa usually have 64-spored sporangia, and apogamous taxa have 32-spored sporangia (Huang et al.
In addition, observations of gametophytes have been found crucial in determining modes of reproduction especially the occurrence of apomixis (= apogamous reproduction) in ferns (e.
Apogamous sporophyte formation during in vitro cultivation of Dryopteris affinis ssp.
Windham consists of a complex of three mainly apogamous taxa, considered as varieties: two of them, var.
Agravitropic Growth of the Early Leaves of Apogamous Sporophytes of Dryopteris tyrrhena.
lanosa gametophytes are apogamous (Steil, 1933, 1939; Hevly, 1963).
cuspidatus is apogamous, whereas in the other species it is of the sexual reproductive type.
Origin and development of embryos in certain apogamous forms of Dryopteris.