Arisaema acuminatum is a species of flowering plant in the arum family Araceae.

[2] It is a member of the Arisaema triphyllum complex, a group of closely related taxa in eastern North America.

The specific name acuminatum means "with a long, narrow and pointed tip",[3] which describes the shape of the spathe hood.

[4] Arisaema acuminatum is a herbaceous, perennial, flowering plant growing from a corm.

[4] Its range extends southward into the Florida peninsula and northward along the coast of eastern Georgia.