chalazogamy


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Related to chalazogamy: porogamy

chalazogamy

(ˌkælæˈzɒɡəmɪ)
n
(of plants) the process of fertilization whereby the pollen tube penetrates the embryosac through the chalaza rather than through the micropyle
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The micropyle of the ovule is still the target for the pollen tube, except in aberrant situations like chalazogamy. The carpel is the inevitable initial precursor to the fruit, unlike the diversity of gymnosperm "pseudofruits" (Givnish, 1980).