资料来源 : pyDict

变化的,多种的,变种的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Varietal \Va*ri"e*tal\, a.
   Of or pertaining to a variety; characterizing a variety;
   constituting a variety, in distinction from an individual or
   species.

         Perplexed in determining what differences to consider
         as specific, and what as varietal.       --Darwin.