“dichogamous”的英文意思_释义_用法

单词

dichogamous

释义

dichogamous, a. Bot.|daɪˈkɒgəməs|
[mod. f. Gr. type *διχόγαµος (f. διχο-, dicho-, asunder, separately + -γαµος wedded, married, γάµ-ος wedding) + -ous.]
Said of those hermaphrodite plants in which the stamens and pistils (or analogous organs) become mature at different times, so that self-fertilization is impossible.
1859Darwin Orig. Spec. iv. (1873) 78 These so-named dichogamous plants have in fact separated sexes, and must habitually be crossed.1882Vines Sachs' Bot. 906 Insects are the main agents in the conveyance of the pollen to the stigma of other flowers of dichogamous Phanerogams..Whether the Algæ named above and some Muscineæ are dichogamous is doubtful.1894Drummond Ascent Man vi. 303 The subtle alliance with Space in Diœcious flowers; with Time in Dichogamous species.

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