Heh. Oh, forgot to add that 'Desperate' also adds +4 to an enemy's intimidation roll. So, yeah, there's that.
I still have to come up with a name, don't I?

Hrm, how about 'Rots-away-painfully' unless you can come up with something better. I guess you'll be able to tell what that grass does, then... well, either that, or your poison.