| 释义 |
-etum, suffix|ˈiːtəm|
from Latin -ētum, neut. of -ētus, -tus (see -ed2), is appended to names of trees or other plants, (a) to designate a collection or plantation of various species of a single genus or group of plants, as in L. arboretum and pinetum (see arboretum, pinetum); (b) in Ecology, to designate an association dominated by the species or genus named, as in characetum, ericetum, salicornietum.
1688Evelyn Diary 28 Mar. (1955) IV. 576 We went to Kew, to Visite Sir Hen: Capels, whose Orangerie & Myrtetum, are most beautifull. 1905F. E. Clements Res. Methods Ecology iv. 299 The suffix -etum is used to designate a consocies of a formation, e.g. Picetum, Caricetum, etc. 1939Geogr. Jrnl. XCIII. 403 The termination -etum in ecological studies denotes an association. The suffix is added to the root of the name of the dominant species. 1964V. J. Chapman Coastal Veg. i. 11 It is convenient to recognize such communities [sc. associations] by use of the termination -etum. Thus for a community dominated by species of Salicornia one refers to the Salicornietum. |