| 释义 |
nassella|næˈsɛlə|
[mod.L. (E. Desvaux in C. Gay Historia Física y Política de Chile, Botánica (1853) VI. 263), f. L. nassa net + -ella, fem. of -ellus, diminutive suffix.]
A coarse grass of the genus so called, native to Chile, but also found in other countries to which it has been introduced, esp. New Zealand, where it has become a troublesome weed. Also attrib.
[1936H. H. Allan Introd. Grasses N.Z. 118 Nassella trichotoma, a rather graceful tussocky species, somewhat resembling Festuca novae-zelandiae in habit, but with very different spikelets. Recently collected by Professor A. Wall on the Waipara River bed, and in the Omihi Valley, where it appears to be thoroughly established.] 1946Nature 21 Dec. 920/1 Weed problems..such as nassella, constitute a serious threat to good pasture land [in New Zealand]. 1950N.Z. Jrnl. Agric. June 515/1 Nassella tussock... This insidious pest crept almost unawares on to some of our good pastoral country. 1966G. W. Turner Eng. Lang. Austral. & N.Z. viii. 172 In scientific language Latin botanical names often become general. The recently troublesome Nassella tussock has no more popular name. It is controlled in accordance with the Nassella Tussock Act of 1946 by Nassella Tussock Boards. |