# phytotoxin

> English word · Noun

## Definitions
1. Any toxic substance produced by a plant.
2. Any substance that is toxic to a plant.

## Etymology
From phyto- + toxin.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phytotoxin