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单词 retinospora
释义

retinosporan.

Brit. /ˌrɛtᵻˈnɒsp(ə)rə/, U.S. /ˌrɛtnˈɑsp(ə)rə/
Forms:

α. 1800s– retinospora.

β. 1800s– retinispora.

Origin: A borrowing from Latin. Etymons: Latin Retinospora; Latin Retinispora.
Etymology: In α. forms < scientific Latin Retinospora, former genus name (adopted in E.-A. Carrière Traité général des conifères (1855) 136), alteration (after words in -o- : see -o- connective) of Retinispora ( P. F. von Siebold & J. G. Zuccarini Flora Japonica (1835) II. 36 ff. 121-123) < ancient Greek ῥητίνη resin (see retinite n.) + σπορά seed (see spore n.), with reference to the resinous channels on the outer surface of the seed. In β. forms < scientific Latin Retinispora (see above).
Now chiefly historical.
Originally: any of several Japanese cypresses constituting the former genus Retinispora (later spelt Retinospora), now included in Chamaecyparis; (also, in form Retinispora or Retinospora) the genus itself. In later use: any of various (varieties of) trees and shrubs of the genus Chamaecyparis and allied genera having permanently juvenile (needle-like) foliage, esp. grown for ornament or as hedging.
ΘΚΠ
the world > plants > particular plants > trees and shrubs > conifers > cypresses > [noun] > types of cypress
Italian cypress1838
retinospora1861
Japanese cypress1866
Macnab cypress1881
Shasta cypress1897
1861 Horticulturalist 16 459 Mr. Standish stated that..all the Retinosporas, Thujopsis dolabrata, and the different forms of Osmanthus, were natives of the hills near Yeddo, and consequently would be remarkably hardy.
1866 J. Lindley & T. Moore Treasury Bot. II. 967/2 Retinospora, a small Japanese genus of the Cupresseæ division of Coniferæ, closely allied to and by some botanists regarded as a section of the North American genus Chamæcyparis.
1896 Meehan's Monthly Mar. 51/2 They call all Retinisporas Cupressuses now. But the name has become so universal throughout horticultural literature that it cannot well be changed without great confusion.
1911 E. P. Powell Hedges, Windbreaks, Shelters & Live Fences iv. 70 The Retinosporas are of unexcelled hardiness, both winter and summer, and..their variegations are all permanent. Can a higher character be given to any other evergreen?
1937 M. Free Gardening 77 Some species and varieties of Chamaecyparis..are best known under the name of Retinospora, applied to them when their needle-like juvenile foliage is retained throughout their life.
1981 Sunday Intelligencer (Doylestown, Pennsylvania) 19 Apr. d2/2 Retinospora gives an image of being soft to the touch, but in reality, the foliage is composed of a multitude of small sharp needles.
2004 D. W. Adams Restoring Amer. Gardens v. 76/2 Initially, the main concern about the newly introduced trees in the Chamaecyparis genus among nineteenth-century gardeners (or to them the Retinosporas) was whether or not they would be hardy.
This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022).
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n.1861
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