ecotype

noun

1. A phenotype that is adapted to a specific environment.

   “These four Japanese introductions probably were of the Japonica ecotype.”

   “She collected rhizomes of two ecotypes, a northern ecotype originally from Yellowstone County, Montana, and a southern ecotype from an agricultural field near Hollister, California.”

   “The more interesting question is, What is the difference between an endemic and an ecotype?”