Tiger Lotus is native to Chult and it's dried leaves are a common recreational herb among the locals.  Chewed, but not swallowed, the leaves have a mild burn and a slightly spicy flavor.  After about fifteen to thirty minutes of chewing Tiger Lotus, the user feels a mild stimulant effect and can focus on immediate tasks better.  For an hour following chewing Tiger Lotus, a character will gain advantage on all checks where alertness and focus are factors.  Undried leaves are intensely spicy and foul tasting, and should the user swallow Tiger Lotus (dried or not), the consumer will experience a sudden nausea and upset stomach that will inflict disadvantage on all non-combat checks for the following 10 minutes unless they make a DC 5 Constitution Save