hekistothermn.
/hɪˈkɪstəʊθəːm/ Botany.
A plant which can grow in very cold environments, as the arctic and antarctic lichens and mosses.
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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.
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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).
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n.1875