| 释义 |
hydrophyte Bot.|ˈhaɪdrəfaɪt|
[ad. Da. hydrophyt, mod.L. hydrophyta (J. F. Schouw Grundtræk til en almindelig Plantegeographie (1822) 132), f. Gr. ὑδρο- water + ϕυτόν plant.]
An aquatic plant, or one needing a waterlogged environment for its growth.
1832Lyell Princ. Geol. II. 72 The number of hydrophytes, as they are termed, is very considerable. 1857Berkeley Cryptog. Bot. §63. 81, I shall..consider Algals, or Hydrophytes, as forming the first grand group. 1858A. Gray Introd. Struct. & Syst. Bot. 536 Hydrophyte: a water-plant. 1880Gray Struct. Bot. (ed. 6) 415/2 Hydrophytes..Water-plants. 1894F. W. Oliver et al. tr. Kerner's Nat. Hist. Plants I. 75 It is usual to designate all plants that grow in water as hydrophytes or water-plants. 1920A. Arber Water Plants i. 3 The ultimate term in the acceptance of aquatic conditions is reached in certain hydrophytes with submerged flowers, in which even the pollination is aquatic. 1967C. D. Sculthorpe Biol. Aquatic Vasc. Plants v. 147 Experimental data on the water relations of submerged hydrophytes do not lend themselves to generalisation.
Hence hydroˈphytic a.; hydrophyˈtography, the description of aquatic plants; hydrophyˈtology, the branch of botany which deals with aquatic plants.
1847Craig, Hydrophytology. 1855Mayne Expos. Lex., Hydrophytography. 1905F. E. Clements Res. Methods Ecol. iv. 209 The effect of these conditions is to produce a plant xerophytic as to its aerial parts, and mesophytic or even hydrophytic as to subterranean parts. 1934Discovery XV. 11/1 Suitable protection [for mosquitoes] may be furnished by grass or other hydrophytic vegetation. 1955G. M. Smith Cryptogamic Bot. (ed. 2) II. v. 97 As the mat [of vegetation] becomes drier..the Sphagnum eventually disappears and the hydrophytic angiosperms are replaced by those of a more mesophytic type. 1973Nature 12 Jan. 88/2 A halophytic vegetation covered the basin during the past century with a hydrophytic woodland forming in the first quarter of the present century. |