| Qualifier | ecotype |
| Definition | a population within a given species displaying genetically based, phenotypic traits that reflect adaptation to a local habitat. |
| Value Format | "text" |
| Example | /ecotype="Columbia" |
| Comment | an example of such a population is one that has adapted hairier than normal leaves as a response to an especially sunny habitat. 'Ecotype' is often applied to standard genetic stocks of Arabidopsis thaliana, but it can be applied to any sessile organism. |