Variety, means a plant grouping except micro-organism within a single botanical taxon of the lowest known rank, which can be:
(i) defined by the expression of the characteristics resulting from a given genotype of that plant grouping;
(ii) distinguished from any other plant grouping by expression of at least one of the said characteristics; and
(iii) considered as a unit with regard to its suitability for being propagated, which remains unchanged after such propagation, and includes propagating material of such variety, extant variety, transgenic variety, farmers' variety and essentially derived variety. [Protection of Plant Varieties and Farmer's Rights Act, 2001 (53 of 2001), s. 2(za)]