单词 | rafflesia |
释义 | rafflesian. Botany. A genus of stemless, leafless plants of the family Rafflesiaceae, of South-East Asia, which are parasitic on vines of the genus Tetrastigma and are remarkable for their enormous single flower and carrion-like scent; (also rafflesia) a plant of this genus. ΘΚΠ the world > plants > particular plants > plants perceived as weeds or harmful plants > poisonous or harmful plants > parasitic plants > [noun] > other beech-drops1815 rafflesia1822 Scotchman hugging the (also a) Creole1828 Brugmansia1832 John Crow nose1844 pinedrops1848 nettle-blight1849 Scotch attorney1864 Jim Crow's nose1866 witchweed1881 devil's guts1889 1822 R. Brown in Trans. Linn. Soc. 13 206 It is proposed, in honour of Sir Stamford Raffles, to call this genus Rafflesia. 1830 J. Lindley Introd. Nat. Syst. Bot. 74 Rafflesia is used in Java as a powerful astringent. 1883 Good Words Dec. 788/2 Rafflesia..bears the largest flower of which we have any knowledge. 1922 Times 3 Mar. 10/4 Rafflesias..represent an extreme type of parasitism, for their vegetative system is reduced to a cylindrical meshwork of cellular threads. 1954 R. E. Holttum Plant Life Malaya xiv. 192 Rafflesia plants are only found in deeply shaded forest. 1985 Cambr. Encycl. Life Sci. x. 284/1 The bizarre parasitic angiosperm Rafflesia..consist of a single enormous flower, almost a metre in diameter, attached to a thin, fungus-like, haustorial system branching within the host. 2007 Daily Tel. 12 Jan. 15/2 Because rafflesia lacks the genes most commonly used to trace plant ancestry, the scientists had to delve deeper into its genome. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < |
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