nannandrousadj.

Brit.

/naˈnandrəs/, U.S.

/næˈnændrəs/

Origin: A borrowing from Latin. Etymon: Latin nannandrus.

Etymology: < post-classical Latin nannandrus (V. B. Wittrock 1875, in Prodromus Monographiae Oedogoniearum 2 (in Nova Acta Regiae Societatis Scientiarum Upsaliensis 9); < ancient Greek νάννος , variant of νᾶνος dwarf (see nano- comb. form) + -ανδρος : see -androus comb. form) + -ous suffix.

Botany.

Designating certain green alga of the order Oedogoniales which produce small, unicellular male plantlets (dwarf males) during sexual reproduction; (also) designating such plantlets.

ΚΠ

1882–4 M. C. Cooke Brit. Fresh-water Algæ I. 148 Male plants, dwarf (nannandrous)..or elongated (macrandrous).

1916 G. S. West Algae I. 399 In the smaller genus Bulbochaete most of the species are diœcious nannandrous and the rest monœcious.

1935 F. E. Fritsch Algae I. 303 The majority of the dioecious species exhibit a curious dimorphism of the sexual plants (nannandrous species).

1962 Amer. Jrnl. Bot. 49 177/1 In these nannandrous species chemotaxis of the androspores might be expected.

1998 Jrnl. Phycol. 34 250 Oedogonium pluviale Nordstedt is nannandrous, described as possessing single-celled dwarf males.

This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	nannandrous
释义	nannandrousadj. Brit. /naˈnandrəs/, U.S. /næˈnændrəs/ Origin: A borrowing from Latin. Etymon: Latin nannandrus. Etymology: < post-classical Latin nannandrus (V. B. Wittrock 1875, in Prodromus Monographiae Oedogoniearum 2 (in Nova Acta Regiae Societatis Scientiarum Upsaliensis 9); < ancient Greek νάννος , variant of νᾶνος dwarf (see nano- comb. form) + -ανδρος : see -androus comb. form) + -ous suffix. Botany. Designating certain green alga of the order Oedogoniales which produce small, unicellular male plantlets (dwarf males) during sexual reproduction; (also) designating such plantlets. ΚΠ 1882–4 M. C. Cooke Brit. Fresh-water Algæ I. 148 Male plants, dwarf (nannandrous)..or elongated (macrandrous). 1916 G. S. West Algae I. 399 In the smaller genus Bulbochaete most of the species are diœcious nannandrous and the rest monœcious. 1935 F. E. Fritsch Algae I. 303 The majority of the dioecious species exhibit a curious dimorphism of the sexual plants (nannandrous species). 1962 Amer. Jrnl. Bot. 49 177/1 In these nannandrous species chemotaxis of the androspores might be expected. 1998 Jrnl. Phycol. 34 250 Oedogonium pluviale Nordstedt is nannandrous, described as possessing single-celled dwarf males. This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022). < adj.1882
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