单词 | osmunda |
释义 | osmundan. 1. Any fern of the genus Osmunda (family Osmundaceae), the members of which bear sporangia on distinctive fronds; esp. the royal fern, Osmunda regalis. Also (in form Osmunda): the genus itself.Valid publication of the genus name: Linnaeus Species Plantarum (1753) II. 1063. Cf. earlier use by J. Petiver Musei Petiveriani Centuria VI & VII (1699) 53. ΘΚΠ the world > plants > particular plants > ferns > [noun] > royal fern everferneOE ditch-fern14.. herb Christophera1450 osmund royal1548 osmund1578 Osmund the waterman1578 fern-osmund1614 stifling grass1692 osmunda1702 royal fern1781 bog onion1832 1702 Philos. Trans. (Royal Soc.) 23 1167 The roots of Osmunda are of a Subacrid and Bitterish Taste, besides the Astringency, by which they open, but the Astringency much hinders that effect. 1755 New & Compl. Dict. Arts & Sci. IV. 3500/1 Osmunda, in botany, a genus of the cryptogamia filicum class of plants. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxxii. 489 Osmunda likewise has a spike distinct from the frond. 1789 E. Darwin Bot. Garden: Pt. II ii. 11 The fair Osmunda seeks the silent dell. 1818 W. P. C. Barton Compendium Floræ Philadelphicæ II. 206 Cinnamon fern. Tall Osmunda. 1858 J. A. Symonds Let. 6 June (1967) I. 144 Is the Osmunda yet in flower? 1865 M. Eyre Lady's Walks South of France xxv. 272 The Osmunda grew at the other end of the lake. 1881 W. Brockbank in W. Robinson Wild Garden (ed. 2) xiii. 105 The brooklet was..fringed with marsh plants..together with Osmundas, Hart's-tongues, and other Ferns. 1900 W. Robinson Eng. Flower Garden (ed. 8) 695/2 The various North American Osmundas may be associated with it [sc. Osmunda regalis]. 1928 Ecology 9 66 It should be remembered that other plants, like the Osmundas or certain mosses, as already shown, may play a similar, though less pronounced part [in building up acidity of bogs]. 1974 R. Grounds Ferns v. 57 This method [sc. container-growing] is ideal if one wants to use a strong-growing osmunda, for example, as a specimen plant. 1990 Garden (Royal Hort. Soc.) Sept. 7/1 Fern genera that prefer wet soil or water will be introduced around RSF's semi-shaded pond garden, already home to horsetails (Equisetum) and royal and cinnamon ferns (Osmunda) along the edges and mosquito fern (Azolla) floating in the water. 1998 Victorian Soc. Jrnl. 1997 4/2 As we enter it we see gigantic osmundas rearing their stiff and majestic forms; enormous lady ferns gracefully showing their flowering feathery forms, with the noble broad ferns expanding their curved fronds to view. 2. More fully osmunda fibre, osmunda peat. A growing medium made from the roots or stems of osmundas (esp. Osmunda cinnamomea and O. claytoniana), used for orchids. ΘΚΠ the world > food and drink > farming > gardening > equipment and buildings > [noun] > artificial soil or compost potting soil1861 potting compost1891 osmunda1910 osmundine1932 John Innes1939 vermiculite1950 perlite1956 Inceptisol1960 1910 Gardeners' Chron. 5 Nov. 329/3 He [sc. H. G. Alexander] decided that Osmunda fibre was the best material procurable. 1932 Bull. Amer. Orchid Soc. Dec. 87/2 Osmunda fibre taken from swampy land should not be used. 1942 A. Laurie & V. H. Ries Floriculture xix. 460 Osmunda peat makes the best medium for this group [of epiphytic orchids]. 1951 Dict. Gardening (Royal Hort. Soc.) III. 1440/2 Osmunda is at present the best material for general use [in potting orchids] but in fact several other fibres are in use to eke out and modify Osmunda fibre. 1959 Listener 17 Dec. 1094/3 A piece of osmunda fibre, or wire netting filled with moss and fastened round a cane, can be driven into the pot and kept moist with spraying. 1966 T. B. Morris Orchids with Murder i. 7 The pleasantly familiar smell of damp loam and sphagnum and osmunda fibre. 1974 C. L. Withner Orchids: Sci. Stud. iii. 154 Osmunda fiber plus water provided adequate fertility for orchids. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1702 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。