A term used in the scientific naming of plants to denote a naturally occurring, distinguishable variant within a species, typically shortened in botanical names to var. (for varietas). The word variety is sometimes loosely substituted for the term cultivar by writers, however a cultivar differs in that it is a group of uniform plants maintained only by horticultural practices. A cultivar can be differentiated from a variety (var.) in plant names by the initial letters of the main words being capitalized, by not being italicized, and by being enclosed within single quotes, e.g. ‘Strawberry Candy’.

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The American Daylily Society