Search results for:  forma
 

Number of matches:  3

forma (abr. f.) The rank of taxa below variety; the narrowest taxon; a plant which retains most of the characteristics of the species, but differs in some way such as flower or leaf color, size of mature plant, etc. A forma is added to the specific binomial and preceded by "f.," such as rubra in the epithet Cornus florida f. rubra.

formation One of the earth's largest subdivisions of vegetation types, usually of huge geographical extent and composed of communities that are similar in physiognomy and broad environmental description, such as the coniferous forests of Canada. See also: climax, biome.

biome (syn. biotic formation) The ecology of a particular habitat, characterized by its unique plant and animal symbiotic relationships, and maintained by local climatic conditions.

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• This is version: 2.1     Last updated: February 4, 2002.

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