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单词 microphyllous
释义

microphyllousadj.

Brit. /mʌɪˈkrɒfɪləs/, /ˌmʌɪkrə(ʊ)ˈfɪləs/, U.S. /maɪˈkrɑfələs/, /ˌmaɪkroʊˈfɪləs/
Origin: Formed within English, by compounding; probably modelled on a Latin lexical item. Etymons: micro- comb. form, -phyllous comb. form.
Etymology: < micro- comb. form + -phyllous comb. form, probably after scientific Latin microphyllus, specific epithet (Linnaeus Species Plantarum (1753)), itself probably after ancient Greek μικρόϕυλλος with small leaves.
Botany and Ecology.
Having small leaves; spec. having microphylls. Also: of the nature of a microphyll.
ΚΠ
1846 B. H. Smart Walker's Pronouncing Dict. (ed. 2) Microphyllous, small-leaved, applied to a fossil palm.
1899 E. C. Jeffrey in Mem. Boston Soc. Nat. Hist. 5 186 Both groups are palingenetically microphyllous and have invariably strobiloid fructifications.
1909 D. H. Scott in A. C. Seward Darwin & Mod. Sci. 203 A large proportion of the higher plants are microphyllous in comparison with the highly megaphyllous fern-like forms from which they appear to have been derived.
1917 Jrnl. Ecol. 5 45 Of microphyllous trees, Prosopis velutina, Acacia greggii, Acacia paucispina, and the green-barked ‘palo verde’ (Parkinsonia microphylla) are the most abundant.
1944 Ecol. Monogr. 14 155/1 In the lower story simple leaves predominate and about one-third of the species are microphyllous.
1957 Ann. Bot. 21 434 Investigators such as Lignier (1903) held that microphyllous leaves, as in lycopods, belong to an entirely different category of organs from macrophyllous leaves.
1987 Jrnl. Ecol. 75 603 Three sites were chosen to examine the relationships in time and space between Acacia nilotica, a microphyllous deciduous tree and Euclea divinorum, an evergreen shrub.
1995 Ecol. Applic. 5 367 Several rules are required to determine evergreen-deciduous or broadleaf-needleleaf (microphyllous) status.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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adj.1846
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