Synonyms
Dipteracanthus strictus Nees
Hygrophila illinoiensis A.Gray
Dipteracanthus oblongatus Nees
Ruellia vinciflora DC. ex Nees
Ruellia strepens var. cleistantha A.Gray
Dipteracanthus micranthus Engelm. & A.Gray
Dipteracanthus strepens C.Presl
Ruellia strepens f. cleistantha (A.Gray) S.McCoy
Ruellia strepens var. micrantha (Engelm. & A.Gray) Britton
Ruellia strepens f. alba Steyerm.
Ruellia foliosa Schwein. ex Nees
Dipteracanthus strepens f. pedunculatus Nees
Dipteracanthus strepens var. clandestinus Nees
Dipteracanthus strepens var. dillenii Nees
Dipteracanthus strepens var. calycinus Nees
Dipteracanthus strepens var. strictus (Nees) Nees