| 释义 |
osmunda|ɒzˈmʌndə|
[med.L. (see osmund2), adopted as a generic name by J. Petiver in Musei Petiveriani centuria VI & VII (1699) 53.]
A fern of the genus so called, esp. the royal fern, Osmunda regalis.
1789E. Darwin Bot. Garden ii. 11 The fair Osmunda seeks the silent dell. 1818[see cinnamon fern]. 1858J. A. Symonds Let. 6 June (1967) I. 144 Is the Osmunda yet in flower? 1865M. Eyre Lady's Walks S. of France xxv. 272 The Osmunda grew at the other end of the lake. 1894W. Brockbank in W. Robinson Wild Garden (ed. 4) xiii. 143 The brooklet was..fringed with marsh plants..together with Osmundas, Hart's-tongues, and other Ferns. 1974R. 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.
2. In full, osmunda fibre. A fibre generally made from the roots of Osmunda cinnamomea or O. claytoniana, used as a potting medium for orchids.
1910Gardeners' Chron. 5 Nov. 329/3 He [sc. H. G. Alexander] decided that Osmunda fibre was the best material procurable. 1932Bull. Amer. Orchid Soc. Dec. 87/2 Osmunda fibre taken from swampy land should not be used. 1942Laurie & Ries Floriculture xix. 460 Osmunda peat makes the best medium for this group [of epiphytic orchids]. 1942C. L. Withner Orchids: Sci. Survey viii. 349 Its [sc. tree fern's] water-retention and drying capacities are very similar to osmunda. 1951Dict. Gardening (R. 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. 1959Listener 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. 1966T. B. Morris Orchids with Murder i. 7 The pleasantly familiar smell of damp loam and sphagnum and osmunda fibre. 1974C. L. Withner Orchids: Sci. Stud. iii. 154 Osmunda fiber plus water provided adequate fertility for orchids. |