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单词 microsporangiate
释义

microsporangiateadj.

Brit. /ˌmʌɪkrə(ʊ)spɒˈran(d)ʒɪət/, U.S. /ˈˌmaɪkroʊspəˈrændʒ(i)ət/
Origin: Formed within English, by derivation. Etymons: microsporangium n., -ate suffix2.
Etymology: < microsporangium n. + -ate suffix2.
Botany.
Having or bearing only microsporangia.
ΚΠ
1896 Bot. Gaz. 21 333 Five of the lower sporophylls are microsporangiate (male).
1954 Ann. Missouri Bot. Garden 41 351 There is evidence that all cones of Lepidostrobus may be bisexual, but a number of microsporangiate strobili have been assigned to the genus.
1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) v. 402/1 Different individual mature plants bear reproductive structures of only one sex, either male, pollen-producing cones called microsporangiate cones..or female, seed-producing cones called megasporangiate cones.
This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1896
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更新时间:2025/1/12 10:34:11