hekistothermn.

/hɪˈkɪstəʊθəːm/

Etymology: < French hékistotherme (A. de Candolle 1874, in Archives des Sciences physiques et naturelles L. 14), < Greek ἥκιστος smallest + θέρμη heat.

Botany.

A plant which can grow in very cold environments, as the arctic and antarctic lichens and mosses.

ΘΚΠ

the world > plants > by habitat or distribution > [noun] > that grow in cold environments or at high altitude

alpestral1706

Alpine1800

microtherm1874

hekistotherm1875

cryophyte1909

1875 J. H. Balfour Man. Bot. (ed. 5) 817 Hekistotherms, plants requiring a very small amount of heat, as arctic or antarctic plants.

1934 H. Gilbert-Carter tr. C. Raunkiaer Life Forms of Plants ii. 6 A fourth group, Hecistotherms, comprises plants belonging to the cold regions. They have the lowest heat demand of all plants, will grow where the summer is short, and are able to endure a long and very cold winter.

1965 F. J. Monkhouse Dict. Geogr. 155/2 Hekistotherm, a plant such as reindeer moss or lichen, which can exist where the mean temperature of the warmest month is under 50° F.

Derivatives

hekistoˈthermic adj.

ΚΠ

1909 E. Warming et al. Oecol. Plants 36 Hekistothermic: plants living beyond the limits of tree-growth, where the annual mean temperature sinks below 0° C.

This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).

单词	hekistotherm
释义	hekistothermn. /hɪˈkɪstəʊθəːm/ Etymology: < French hékistotherme (A. de Candolle 1874, in Archives des Sciences physiques et naturelles L. 14), < Greek ἥκιστος smallest + θέρμη heat. Botany. A plant which can grow in very cold environments, as the arctic and antarctic lichens and mosses. ΘΚΠ the world > plants > by habitat or distribution > [noun] > that grow in cold environments or at high altitude alpestral1706 Alpine1800 microtherm1874 hekistotherm1875 cryophyte1909 1875 J. H. Balfour Man. Bot. (ed. 5) 817 Hekistotherms, plants requiring a very small amount of heat, as arctic or antarctic plants. 1934 H. Gilbert-Carter tr. C. Raunkiaer Life Forms of Plants ii. 6 A fourth group, Hecistotherms, comprises plants belonging to the cold regions. They have the lowest heat demand of all plants, will grow where the summer is short, and are able to endure a long and very cold winter. 1965 F. J. Monkhouse Dict. Geogr. 155/2 Hekistotherm, a plant such as reindeer moss or lichen, which can exist where the mean temperature of the warmest month is under 50° F. Derivatives hekistoˈthermic adj. ΚΠ 1909 E. Warming et al. Oecol. Plants 36 Hekistothermic: plants living beyond the limits of tree-growth, where the annual mean temperature sinks below 0° C. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). < n.1875
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