xerarchadj.

/ˈzɛrɑːk/

Etymology: < xer- (in xero- comb. form) + Greek ἀρχή beginning.

Ecology.

Of a plant succession: having its origin in a dry habitat.

ΘΚΠ

the world > plants > by habitat or distribution > [adjective] > that thrives or does not thrive in moisture

fenny1543

plashy1822

inundatal1847

paludal1847

hygrophilous1863

uliginal1863

xerophilous1863

uliginose1866

xerophil1884

ombrophilous1895

ombrophobic1895

ombrophobous1895

xerophytic1897

sclerophyllous1903

xeromorphic1909

hydrarch1913

xerarch1913

ombrophile1924

sclerophyll1926

hygrophytic1936

xerophilic1961

1913 W. S. Cooper in Bot. Gaz. 55 11 The terms xerarch and hydrarch are here used for the first time, for the purpose of indicating a natural and important classification of plant successions. The former is applied to those successions which, having their origin in xerophytic habitats, such as rock shores, beaches, and cliffs, become more and more mesophytic in their successive stages; the latter to those which, originating in hydrophytic habitats such as lakes and ponds, also progress towards mesophytism.

1960 N. Polunin Introd. Plant Geogr. xi. 324 They [sc. the seres] are distinguished as ‘hydrarch’, ‘mesarch’, or ‘xerarch’, according to whether their initiation is under damp, median, or dry conditions.

1973 P. A. Colinvaux Introd. Ecol. vi. 75 Later American work..sought to explain the existence of beech-maple forests on old sand dunes near the southern shore of Lake Michigan as resulting from a particularly dramatic xerarch succession.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	xerarch
释义	xerarchadj. /ˈzɛrɑːk/ Etymology: < xer- (in xero- comb. form) + Greek ἀρχή beginning. Ecology. Of a plant succession: having its origin in a dry habitat. ΘΚΠ the world > plants > by habitat or distribution > [adjective] > that thrives or does not thrive in moisture fenny1543 plashy1822 inundatal1847 paludal1847 hygrophilous1863 uliginal1863 xerophilous1863 uliginose1866 xerophil1884 ombrophilous1895 ombrophobic1895 ombrophobous1895 xerophytic1897 sclerophyllous1903 xeromorphic1909 hydrarch1913 xerarch1913 ombrophile1924 sclerophyll1926 hygrophytic1936 xerophilic1961 1913 W. S. Cooper in Bot. Gaz. 55 11 The terms xerarch and hydrarch are here used for the first time, for the purpose of indicating a natural and important classification of plant successions. The former is applied to those successions which, having their origin in xerophytic habitats, such as rock shores, beaches, and cliffs, become more and more mesophytic in their successive stages; the latter to those which, originating in hydrophytic habitats such as lakes and ponds, also progress towards mesophytism. 1960 N. Polunin Introd. Plant Geogr. xi. 324 They [sc. the seres] are distinguished as ‘hydrarch’, ‘mesarch’, or ‘xerarch’, according to whether their initiation is under damp, median, or dry conditions. 1973 P. A. Colinvaux Introd. Ecol. vi. 75 Later American work..sought to explain the existence of beech-maple forests on old sand dunes near the southern shore of Lake Michigan as resulting from a particularly dramatic xerarch succession. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < adj.1913
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