英语词汇“hekistotherm”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

hekistotherm

释义

hekistotherm Bot.|hɪˈkɪstəʊθɜːm|
[ad. F. hékistotherme (A. de Candolle 1874, in Archives des Sciences physiques et naturelles L. 14), f. Gr. ἥκιστο-ς smallest + θέρµη heat.]
A plant which can grow in very cold environments, as the arctic and antarctic lichens and mosses. Hence hekistoˈthermic a.
1875J. H. Balfour Man. Bot. (ed. 5) 817 Hekistotherms, plants requiring a very small amount of heat, as arctic or antarctic plants.1909Groom & Balfour tr. Warming's Oecology of Plants 36 Hekistothermic: plants living beyond the limits of tree-growth, where the annual mean temperature sinks below 0° C.1934H. Gilbert-Carter tr. Raunkiaer's 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.1965F. 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.

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