chalazogamicadj.
/ˌkaləzəʊˈɡamɪk/ Botany.
Defining fertilization in which the pollen-tube penetrates the ovule by the chalaza.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [adjective] > characterized by pollination > involving specific type penetration
chalazogamic1895
porogamic1895
porogamous1896
1895 F. W. Oliver et al. tr. A. Kerner von Marilaun Nat. Hist. Plants II. 412 This type of fertilization has been termed chalazogamic in contradistinction to the more usual micropylar or porogamic method.
1898 H. C. Porter tr. E. Strasburger et al. Text-bk. Bot. ii. ii. 492 According to recent investigations some undoubted Amentaceae are also chalazogamic.
Derivatives
ˈchalazogam n. a plant characterized by this mode of fertilization.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [noun] > pollination > chalazogamy or porogamy > plant characterized by
chalazogam1894
porogam1894
1894 Times 11 Aug. 11/3 Miss Benson read a paper upon ‘Chalazogamic Amentiferæ’..showing that..the pollen-tube forces its way through the chalaza in order to effect fertilization, and hence must be included among the group of chalazogams... Professor Vines..was inclined to regard chalazogamy as an adaptation.
chalaˈzogamy n. chalazogamic fertilization.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [noun] > pollination > chalazogamy or porogamy
porogamy1896
chalazogamy1902
1902 Encycl. Brit. XXV. 436 The pollen-tube..may pierce the embryo-sac at the chalazal end or at the side (basigamy or chalazogamy).
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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adj.1894