spirogyran.

/spʌɪrəʊˈdʒʌɪərə/

Forms: Also Spirogyra.

Etymology: modern Latin (H. F. Link in C. G. D. Nees von Esenbeck Horæ Physicæ Berolinensis (1820) i. 5), < spiro- comb. form + Greek γῡρός, γῡρά round.

A green filamentous freshwater alga of the genus of this name.

ΘΚΠ

the world > plants > particular plants > algae > [noun] > other algae

slake?a1505

laver1611

sea purse1769

water-net1821

red snow1825

red snow plant1836

hydrodictyon1841

Protococcus1842

snow plant1846

purple laver1847

red snow alga1848

gory dew1861

yellow cell1861

spirogyra1875

blanket-weed1879

phycochrome1881

zoochlorella1882

chlamydomonas1884

zygnemid1887

gonyaulax1902

chlorella1904

chlorophyte1937

1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. II. 220 Each single cell of Spirogyra, like an isolated cell of Closterium, &c., constitutes an individual.

1906 G. F. S. Elliot First Course Pract. Bot. 57 The joint protoplasm, called the ‘zygospore’,..begins to divide and form a new Spirogyra.

1937 E. E. Stanford Gen. & Econ. Bot. xiii. 346 Spirogyra..is so abundant, so characteristic, and so readily studied that it commonly passes as a ‘characteristic’ chlorophyte, which decidedly it is not.

1962 Listener 16 Aug. 240/1 There are many other kinds of microscopic organisms,..the desmids, the green strands of Spirogyra, and the rest.

1971 P. Crampton tr. T. Heyerdahl Ra Exped. iii. 50 A shallow pool about as big as a washbasin, but completely covered with green spirogyra.

This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).

单词	spirogyra
释义	spirogyran. /spʌɪrəʊˈdʒʌɪərə/ Forms: Also Spirogyra. Etymology: modern Latin (H. F. Link in C. G. D. Nees von Esenbeck Horæ Physicæ Berolinensis (1820) i. 5), < spiro- comb. form + Greek γῡρός, γῡρά round. A green filamentous freshwater alga of the genus of this name. ΘΚΠ the world > plants > particular plants > algae > [noun] > other algae slake?a1505 laver1611 sea purse1769 water-net1821 red snow1825 red snow plant1836 hydrodictyon1841 Protococcus1842 snow plant1846 purple laver1847 red snow alga1848 gory dew1861 yellow cell1861 spirogyra1875 blanket-weed1879 phycochrome1881 zoochlorella1882 chlamydomonas1884 zygnemid1887 gonyaulax1902 chlorella1904 chlorophyte1937 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. II. 220 Each single cell of Spirogyra, like an isolated cell of Closterium, &c., constitutes an individual. 1906 G. F. S. Elliot First Course Pract. Bot. 57 The joint protoplasm, called the ‘zygospore’,..begins to divide and form a new Spirogyra. 1937 E. E. Stanford Gen. & Econ. Bot. xiii. 346 Spirogyra..is so abundant, so characteristic, and so readily studied that it commonly passes as a ‘characteristic’ chlorophyte, which decidedly it is not. 1962 Listener 16 Aug. 240/1 There are many other kinds of microscopic organisms,..the desmids, the green strands of Spirogyra, and the rest. 1971 P. Crampton tr. T. Heyerdahl Ra Exped. iii. 50 A shallow pool about as big as a washbasin, but completely covered with green spirogyra. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020). < n.1875
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