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单词 phylloclade
释义

phyllocladen.

Brit. /ˈfɪlə(ʊ)kleɪd/, U.S. /ˈfɪləˌkleɪd/
Origin: Formed within English, by clipping or shortening. Etymon: phyllocladium n.
Etymology: < phyllocladium n., with omission of the ending. Compare French phylloclade (1886 in Littré Suppl.).
Botany.
A flattened branch or stem-joint that resembles and functions as a leaf (as in butcher's broom, Ruscus aculeatus, and in cacti).
ΘΚΠ
the world > plants > part of plant > shoot, sprout, or branch > [noun] > phylloclade or cladodium
phyllocladium1858
phylloclade1883
1883 Jrnl. Linn. Soc.: Bot. 20 249 A phyllocladioid Exocarpus..an oblanceolate thick rigid phylloclade.
1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 301 This arrangement is found..also in the phylloclades [Ger. Phyllodien] of Ruscus and Myrsiphyllum.
1897 J. C. Willis Man. Flowering Plants I. 181 Stems..with long shoots transformed into flat green expansions, which act as leaves, whilst the true leaves are reduced to scales..are termed phylloclades.
1951 Dict. Gardening (Royal Hort. Soc.) I. 195/1 There is some difference in habit between male and female [asparagus] plants, the male being usually more thickset and denser with shorter, stiffer shoots and phylloclades.
1997 Amer. Jrnl. Bot. 84 215/2 Phyllocladus—Cones are borne laterally and basally on the flattened shoot complex (phylloclade) that characterizes this genus.

Derivatives

phyˈllocladous adj. [ < phylloclade n. + -ous suffix, after German Flachsproß- (1887 in the passage translated in quot. 1895)] having phylloclades; of the nature of a phylloclade.
ΘΚΠ
the world > plants > part of plant > shoot, sprout, or branch > [adjective] > having phylloclades
phyllocladous1895
1895 F. W. Oliver tr. A. Kerner Nat. Hist. Plants I. 334 The most striking forms of phyllocladous plants [Ger. Flachsproßgewächse].
1971 New Phytologist 70 384 Some storage carbohydrate in the form of starch may be expected in the phyllocladous stem since the leaves are caducous and the stem is not sour.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1883
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