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单词 mesophytic
释义

Mesophyticadj.1n.

Brit. /ˌmɛsə(ʊ)ˈfɪtɪk/, U.S. /ˌmɛzoʊˈfɪdɪk/; see also meso- comb. form.
Forms: also with lower-case initial.
Origin: A borrowing from French. Etymon: French mésophytique.
Etymology: < French mésophytique ( G. de Saporta Le monde des plantes avant l'apparition de l'homme (1879) ii. 160) < méso- meso- comb. form + phyt- (see phyto- comb. form) + -ique -ic suffix, after mésozoïque Mesozoic adj.
Palaeontology.
A. adj.1
Originally: designating a division of geological time analogous to the Mesozoic era but applied specifically in connection with fossil plants, following the Palaeophytic era and characterized by the dominance of gymnosperms. Now also: designating or relating to the type of plant or vegetation characteristic of this time. Cf. Palaeophytic adj.
ΘΚΠ
the world > plants > variety or species > [adjective] > of fossil plants
Mesophytic1880
Palaeophytic1880
the world > the earth > structure of the earth > age or period > [adjective] > secondary or Mesozoic
secondary1795
Mesozoic1840
Mesolithic1876
Mesophytic1880
the world > plants > particular plants > plants and herbs > fossil plants > [adjective]
stigmarian1855
Mesophytic1880
calamitic1883
calamitean1895
Bennettitalean1917
parichnos1969
stigmarioid-
1880 Bot. Gaz. 5 22 Saporta divides the world of fossil vegetables into four great periods:..3. The secondary period or mesophytic, commencing with the Trias and reaching to the end of the chloritic chalk.
1896 Amer. Naturalist 30 397 The Mesophytic age properly ends with the Jurassic instead of with the Cretaceous.
1958 T. Just in W. C. Steere Fifty Years Bot. xxxviii. 599 The geological column is still essentially zoological despite Gothan's efforts to establish paleobotanically more suitable divisions, namely, the paleophytic, mesophytic, and cenophytic eras.
1974 Ann. Missouri Bot. Garden 61 219 If we used the concept of ‘Mesophytic’ instead of Mesozoic, the boundary would be somewhere in the Permian.
1990 Ann. Rev. Ecol. & Systematics 21 75 The new Mesophytic floras included conifers, ginkgoes, cycads, and cycadeoids and new groups of more mesic pteridophytes and pteridosperms.
B. n.
The Mesophytic era.
ΚΠ
1942 J. H. F. Umbgrove Pulse of Earth viii. 147 The boundary between the Paleozoic and the Mesozoic lies on a higher stratigraphic level than that between the Paleophytic and Mesophytic.
1987 Palaeogeogr., Palaeoclimatol., Palaeoecol. 58 84/1 The boundary between the Palaeophytic and Mesophytic is more logically located in the Middle Triassic.
1992 M. Schaffer-Fehre tr. S. Schaal & W. Ziegler Messel iv. 30 As gymnosperms the conifers are really a floristic element of the Mesophytic.
This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022).

mesophyticadj.2

Brit. /ˌmɛsə(ʊ)ˈfɪtɪk/, U.S. /ˌmɛzoʊˈfɪdɪk/; see also meso- comb. form.
Origin: Formed within English, by derivation. Etymons: mesophyte n., -ic suffix.
Etymology: < mesophyte n. + -ic suffix.
Botany.
Of, relating to, or of the nature of a mesophyte; characterized by the presence of mesophytes.
ΚΠ
1897 Science 15 Oct. 569/2 Mesophytic Community, including those plants found in intermediate situations, such as plants of the tropical forests.., temperate deciduous forests, subtropical evergreen forests, [etc.].
1938 J. E. Weaver & F. E. Clements Plant Ecol. (ed. 2) iii. 71 The habitat has changed from one of extreme to one of medium water relations, and the vegetation..has developed into a mesophytic forest.
1955 G. M. Smith Cryptogamic Bot. (ed. 2) II. v. 97 As the mat [of vegetation] becomes drier..the Sphagnum eventually disappears and the hydrophytic angiosperms are replaced by those of a more mesophytic type.
1991 New Scientist 25 May 36/2 Comparison with similar grasslands on rather more fertile calcareous earths suggests that we might see a spread of bulky mesophytic herbs through the basiphilous swards.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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adj.1n.1880adj.21897
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