Mussaenda speciosa (Jacq.) Poir. species synonym

Macrocnemum exsertum Oerst. species synonym

Carmenocania porphyrantha Wernham species synonym

Calycophyllum tubulosum A.Rich. ex DC. species heterotypic synonym

Howardia grandiflora Wedd. species heterotypic synonym

Pinckneya ionantha Planch. & Linden species synonym

Macrocnemum speciosum Jacq. species synonym

Macrocnemum tubulosum A.Rich. ex DC. species synonym

Pogonopus speciosus var. speciosus variety synonym

Pogonopus exsertus (Oerst.) Oerst. species accepted

Pogonopus speciosus subsp. exsertus (Oerst.) Steyerm. subspecies synonym

Pogonopus speciosus (Jacq.) K.Schum. species accepted

Pogonopus caracasensis (Wedd.) G.Nicholson species synonym

Howardia caracasensis Wedd. species synonym

Pogonopus ottonis Klotzsch species synonym

Chrysoxylon speciosum (Jacq.) Kuntze species synonym

Pogonopus speciosus var. sandwithianus (Steyerm.) Steyerm. variety synonym

Pogonopus tubulosus (A.Rich. ex DC.) K.Schum. species accepted

Chrysoxylon febrifugum Wedd. species synonym

Howardia febrifuga (Wedd.) Wedd. species synonym

Chrysoxylon tubulosum (A.Rich. ex DC.) Kuntze species synonym

Howardia richardii Wedd. species synonym

Pogonopus febrifugus var. macrosema Hutch. variety synonym

Pogonopus febrifugus (Wedd.) Hook.f. species synonym

Pogonopus febrifugus (Wedd.) Benth. & Hook.f. ex Hieron., 1882 species synonym

Howardia angularis Klotzsch species doubtful

Pogonopus speciosus subsp. sandwithianus Steyerm. subspecies synonym

Pogonopus speciosus subsp. speciosus subspecies synonym

Pogonopus moritzii Klotzsch species doubtful

Calycophyllum tubulosum Seem. species heterotypic synonym

Macrocnemum tubulosum A.Rich. species synonym

Pogonopus exsertus (Oerst.) K.Schum. species synonym

Calycophyllum tubulosum A.Rich. species homotypic synonym