A hapaxanth is a plant species whose individuals flower only once in their lifetimes and die subsequently. Other terms with the same meaning are semelparous and monocarpic. The term was first used by Alexander Braun.

A hapaxanth is a plant species whose individuals flower only once in their lifetimes and die subsequently. Other terms with the same meaning are semelparous and monocarpic. The term was first used by Alexander Braun.