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单词 macrandrous
释义

macrandrousadj.

Brit. /məˈkrandrəs/, U.S. /məˈkrændrəs/
Origin: A borrowing from Latin. Etymon: Latin macrandrus.
Etymology: < post-classical Latin macrandrus (V. B. Wittrock 1875, in Prodromus Monographiae Oedogoniearum 2 (in Nova Acta Regiae Societatis Scientiarum Upsaliensis) 9) < macro- macro- comb. form + -andrus (see -androus comb. form).
Botany.
Of certain green algae of the order Oedogoniales: having a life cycle without dwarf male plants.
ΚΠ
1882–4 M. C. Cooke Brit. Fresh-water Algæ I. 148 Male plants, dwarf (nannandrous)..or elongated (macrandrous).
1935 F. E. Fritsch Algae I. 303 Oogonia and antheridia are produced on the same plant in some (macrandrous) species of Oedogonium and Bulbochaete.
1962 Amer. Jrnl. Bot. 49 171/1 These macrandrous species are in turn either homothallic or heterothallic.
1993 Jrnl. Econ. & Taxonomic Bot. 17 61 Of these [taxa], 3 represent macrandrous homothallic, 7 macrandrous heterothallic, 6 nannandrous gynandrosporous and 4 nannandrous idioandrosporous.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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adj.1882
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