Ruellia biflora Linnaeus, Species Plantarum 2: 635. 1753.

"Habitat in Carolina." RCN: 4613.

Type not designated.

Original material: Herb. Linn. No. 804.10? (LINN) .

Current name: Calophanes sp. ( Acanthaceae).

Note: The application of this name appears to be uncertain.