fructistn.

/ˈfrʌktɪst/Etymology: < modern Latin fructista, < Latin frūctus fruit: see -ist suffix.
the world > plants > botany > [noun] > classification > specific systems > classifiers by
1775 J. Ash Fructist, a botanist who endeavours to distinguish the several kinds of plants by the fruit or seeds which they produce.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2018).