Clavate is an adjective that means ‘club-shaped.’
The Latin word clava (KLAH vah) means ‘club.’ Often used to describe plants and animals, our word of the day describes anything that is club-shaped, meaning it is thicker at the top than at the base.
When spending time at the camp site, you should always avoid contact with those clavate plants seen by the river. Touching one of those club-shaped things would give you an itch that could last for months.