Synonyms
Haplostachys haplostachya var. angustifolia (Sherff) H.St.John
Haplostachys haplostachya var. leptostachya (A.Gray) H.St.John
Haplostachys grayana Hillebr.
Haplostachys grayana var. angustifolia Sherff
Phyllostegia haplostachya var. leptostachya A.Gray
Haplostachys grayana var. leptostachya (A.Gray) Hillebr.
Phyllostegia haplostachya A.Gray