You see sugar cane.
It can be harvested.
Location
Anywhere Sugar Cane can be found.
Notes
It's Sugar Cane that has been lit by a Fire Bug and has just stopped burning. It can be harvested using a Sickle (or equivalent) to turn it into Sugar Cane (Harvested) with a Bunch of Sugar Cane on top. Cut 50 of these to obtain the Natural Sweetener achievement.