Apogamy
the asexual development of a sporophyte from a cell or cells of the gametophyte other than the egg.
Historical Examples
apogamy, of course, answers to indiscriminate isolation, or separate breeding.
Darwin, and After Darwin (Vol 3 of 3) George John Romanes
Other names for indiscriminate isolation are separate breeding and apogamy.
The Making of Species Douglas Dewar
Isolation, then, is a genus, of which apogamy and Homogamy are species.
Darwin, and After Darwin (Vol 3 of 3) George John Romanes
noun
a type of reproduction, occurring in some ferns, in which the sporophyte develops from the gametophyte without fusion of gametes
the development of a diploid cell in the embryo sac of flowering plants into an embryo without being fertilized
Read Also:
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Astronomy. the point in the orbit of a heavenly body, especially the moon, or of a man-made satellite at which it is farthest from the earth. Compare . the highest or most distant point; climax. Contemporary Examples It reaches its apogee in Bodrum, since nowhere in Turkey is the produce and seafood fresher or more […]
- Apogeic
Astronomy. the point in the orbit of a heavenly body, especially the moon, or of a man-made satellite at which it is farthest from the earth. Compare . the highest or most distant point; climax. noun the point in its orbit around the earth when the moon or an artificial satellite is at its greatest […]
- Apogeotropism
growth or orientation away from the earth; negative . noun negative geotropism, as shown by plant stems
- Apograph
(defs 1, 2).
- Apokatastasis
. the state of being restored or reestablished; restitution. the doctrine that Satan and all sinners will ultimately be restored to God.