fruitarian

Short definition from Wiktionary

Noun

1. 1
   A variant of vegetarian who intends to be limited to eating only such parts of plants whose consumption does not kill the plant (such as fruits, vegetables that can be compared to fruit, nuts and grain, but not for example tubers). The purest fruitarians do not want to destroy even the seeds.

Adjective

1. 1
   Related to fruitarianism.