GENUS
(pl.): A group of evolutionarily related species, sharing one or a number of characteristics.
A group of closely related species. Subdivision of a family. Genus names are written with a capital and should be printed either in italics or underlined.
The level of the taxonomic hierarchy above the species but below the family level
pl. genera or genuses A classificatory term for a group of plants, usually composed of several slightly different species, but with characters distinctive enough to enable the genus to be recognised as a separate entity within a family.