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单词 therophyte
释义

therophyten.

/ˈthɪərəʊfʌɪt/
Etymology: < Danish therofyte (C. Raunkiaer 1904, in Bot. Tidsskrift XXVI. p. xiv) < Greek θέρο(ς summer + -phyte comb. form.
Botany.
(See quot. 1960.)
ΘΚΠ
the world > plants > by age or cycles > [noun] > annual
annual1633
hardy annual1706
tender annual1769
winter annual1857
semi-annual1882
therophyte1913
1913 Jrnl. Ecol. 1 18 Therophytes, or plants of the favourable season, live through the unfavourable season as seeds; hence they are annual plants.
1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. i. 13 Many communities of the subtropics begin their annual development with a therophyte aspect.
1952 P. W. Richards Trop. Rain Forest i. 10 Therophytes are entirely absent, except in clearings.
1960 N. Polunin Introd. Plant Geogr. iii. 93 Therophytes (annuals)..complete their life-cycle, from germination to ripe seed, within a single limited vegetative period, surviving the unfavourable times as seeds, spores, or other special (usually resistant) reproductive bodies. They are especially abundant in deserts.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1913
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