dichogamyn.

Brit.

/dʌɪˈkɒɡəmi/, U.S.

/ˌdaɪˈkɑɡəmi/

Origin: Formed within English, by compounding; partly modelled on a German lexical item, and partly modelled on a Latin lexical item. Etymons: dicho- comb. form, -gamy comb. form.

Etymology: < dicho- comb. form + -gamy comb. form, after German Dichogamie ( C. K. Sprengel Das entdeckte Geheimnis der Natur (1793 ) 17) and scientific Latin Dichogamia (1793 in the same source).

Botany.

The maturation of the stamens and pistils of a hermaphrodite plant or flower at different times, preventing self-pollination.

ΚΠ

1805 tr. K. L. Willdenow Princ. Bot. & Veg. Physiol. §289 314 Mr Sprengel..discovered two principal ways in which seeds are impregnated, to wit, Dichogamy [Ger. Dichogamie], (Dichogamia), and Homogamy, (Homogamia).

1862 C. Darwin in Life & Lett. (1887) III. 303 What old C. K. Sprengel called dichogamy and which is so frequent in truly hermaphrodite groups.

1904 A. B. Rendle Classif. Flowering Plants I. iv. 158 A very frequent means for preventing self-pollination is known as dichogamy.

1957 Bot. Rev. 23 140 One must be careful to determine whether the dichogamy described (or observed) for a species refers to the individual flower or to the individual organism.

2008 Jrnl. Torrey Bot. Soc. 135 306/1 There are no previous reports of dichogamy in the available literature on Convolvulaceae.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	dichogamy
释义	dichogamyn. Brit. /dʌɪˈkɒɡəmi/, U.S. /ˌdaɪˈkɑɡəmi/ Origin: Formed within English, by compounding; partly modelled on a German lexical item, and partly modelled on a Latin lexical item. Etymons: dicho- comb. form, -gamy comb. form. Etymology: < dicho- comb. form + -gamy comb. form, after German Dichogamie ( C. K. Sprengel Das entdeckte Geheimnis der Natur (1793 ) 17) and scientific Latin Dichogamia (1793 in the same source). Botany. The maturation of the stamens and pistils of a hermaphrodite plant or flower at different times, preventing self-pollination. ΚΠ 1805 tr. K. L. Willdenow Princ. Bot. & Veg. Physiol. §289 314 Mr Sprengel..discovered two principal ways in which seeds are impregnated, to wit, Dichogamy [Ger. Dichogamie], (Dichogamia), and Homogamy, (Homogamia). 1862 C. Darwin in Life & Lett. (1887) III. 303 What old C. K. Sprengel called dichogamy and which is so frequent in truly hermaphrodite groups. 1904 A. B. Rendle Classif. Flowering Plants I. iv. 158 A very frequent means for preventing self-pollination is known as dichogamy. 1957 Bot. Rev. 23 140 One must be careful to determine whether the dichogamy described (or observed) for a species refers to the individual flower or to the individual organism. 2008 Jrnl. Torrey Bot. Soc. 135 306/1 There are no previous reports of dichogamy in the available literature on Convolvulaceae. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1805
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