Blue whinnis

[ Ajonc à feuilles bleues ]
injury (vegetal) - 200 gp
This typical plant because of the color of its leaves is also a poison that in addition to its color gives off a smell so characteristic that any herbalist will recognize it immediately.
A creature subjected to this poison must make a DC 10 Constitution saving throw and falls unconscious for 6d10 minutes on a failed save.
DnD 5e Poisons › Recueil des poisons d´AideDD