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单词 embryophyte
释义

embryophyten.

Brit. /ˈɛmbrɪə(ʊ)fʌɪt/, U.S. /ˈɛmbriəˌfaɪt/
Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: embryo- comb. form, -phyte comb. form.
Etymology: < embryo- comb. form + -phyte comb. form, after scientific Latin Embryophyta ( A. Engler & K. Prantl Die natürlichen Pflanzenfamilien (1889) II. i. 1).
Botany.
Any member of the taxonomic group Embryophyta, comprising plants in which the zygote develops into an embryo within protective parental tissue, and including all land plants. Cf. thallophyte n.
ΚΠ
1897 Contrib. U.S. National Herbarium 5 56 Of the total number of species of embryophytes (about 135) collected or observed upon Ocracoke Island, between one-fourth and one-third may be designated as maritime.
1922 R. E. Torrey Anat. & Physiol. Seed Plants vii. 78 Speaking broadly we may divide the whole plant kingdom into two great groups: the Thallophytes and the Embryophytes.
1960 Bot. Rev. 26 467 There are two principal opposing theories as to the nature of the green algal ancestors of the embryophytes.
2005 P. H. Raven et al. Biol. Plants (ed. 7) xii. 235 The unifying character of the Plantae is the presence of an embryo during the sporophytic phase of the life cycle. Consequently, the term ‘embryophyte’ has become synonymous with plant.
This is a new entry (OED Third Edition, September 2013; most recently modified version published online March 2022).
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n.1897
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更新时间:2024/12/23 2:07:15