Costus villosus T.Jacks. ex J.Dix species synonym

Costus villosus T.Jacks. species homotypic synonym

Costus atlanticus E.M.Pessoa & M.Alves species accepted

Costus gracillimus Maas & H.Maas species accepted

Costus kupensis Maas & H.Maas species accepted

Costus liliaceus Maas & H.Maas species accepted

Costus elegans Veitch ex J.Dix species accepted

Costus igneus Blume species accepted

Costus afer KerGawl. species doubtful

Costus elegans Veitch species homotypic synonym

Cheilocostus tonkinensis (Gagnep.) Škorničk. species synonym

Costus letestui Pellegr. species synonym

Costus ngouniensis Pellegr. species synonym

Costus fissicalyx N.R.Salinas, Clavijo & Betancur species accepted

Costus clemensae Ridl., 1909 species accepted

Costus guanaiense Rusby, 1902 species accepted

Costus bingervillensis A.Chev. species synonym

Costus fissiligulatus var. fissiligulatus variety synonym

Costus spicatus Sessé & Moc., 1891 species doubtful

Costus scaberulus Rich., 1902 species accepted

Costus amazonicus Linden ex K.Koch species doubtful

Costus loangensis H.Maas & Maas species accepted

Costus juruanus var. juruanus variety synonym

Costus lucanusianus A.Chev., 1920 species synonym

Costus secundus Roem. & Schult., 1817 species accepted

Costus longebracteolatus Maas species accepted

Costus ignaeus N.E.Br. species accepted

Amomum spirale (Jacq.) Steud. species synonym

Alpinia spiralis Jacq. species synonym

Amomum petiolatum Lam. species synonym

Kaempferia spectabilis (Fenzl) Baker species synonym

Costus glabratus var. niveopurpureus (Jacq.) Petersen variety synonym

Costus pubescens f. fibrillosus Loes. form synonym

Costus bracteatus Gleason species heterotypic synonym

Costus friedrichsenii Woodson species synonym

Costus arabicus Roscoe ex Spreng., 1824 species doubtful

Costus pauciflorus Gagnep., 1902 species accepted

Costus alfredoi Maas & H.Maas, 2023 species accepted

Costus cochabambae Maas & H.Maas, 2023 species accepted

Costus gibbosus D.Skinner & Maas, 2023 species accepted

Costus douglasdalyi Maas & H.Maas, 2023 species accepted

Costus obscurus D.Skinner & Maas, 2023 species accepted

Costus antioquiensis Maas & H.Maas, 2023 species accepted

Costus pseudospiralis Maas & H.Maas, 2023 species accepted

Costus rubineus D.Skinner & Maas, 2023 species accepted

Costus whiskeycola Maas & H.Maas, 2023 species accepted

Costus mollissimus Maas & H.Maas, 2023 species accepted

Costus alticolus Maas & H.Maas, 2023 species accepted

Costus callosus Maas & H.Maas, 2023 species accepted

Costus alleniopsis Maas & D.Skinner, 2023 species accepted

Costus convexus Maas & D.Skinner, 2023 species accepted

Costus oreophilus Maas & D.Skinner, 2023 species accepted

Costus prancei Maas & H.Maas, 2023 species accepted

Costus pitalito C.D.Specht & H.Maas, 2023 species accepted

Pyxa malortieana (H.Wendl.) M.R.Almeida species synonym

Costus mexicanus Liebm. ex Petersen species synonym

Costus ciliatus Miq. species heterotypic synonym

Costus cylindricus Roscoe, 1828 species accepted

Costus mulus Meekiong, Ipor & Tawan species accepted

Costus chartaceus Maas species accepted

Costus geothyrsus K.Schum. species accepted

Costus maboumiensis Pellegr. species accepted

Costus lima K.Schum. species accepted

Costus pictus D.Don species accepted

Costus congestus Rowlee species synonym

Costus mexicanus Liebm. species synonym

Costus nudicaulis Baker species synonym

Costus sepacuitensis Rowlee species accepted

Costus ligularis Baker species accepted

Costus fimbriatus Pellegr. species synonym

Costus amazonicus (Loes.) J.F.Macbr. species accepted

Costus malortieanus var. amazonicus Loes. variety synonym

Costus dubius (Afzel.) K.Schum. species accepted

Costus albus A.Chev. ex Koechlin species synonym

Zingiber dubium Afzel. species synonym

Costus trachyphyllus K.Schum. species synonym

Costus edulis De Wild. & T.Durand species synonym

Costus zechii K.Schum. species synonym

Costus phyllocephalus K.Schum. species accepted

Costus gabonensis Koechlin species accepted

Costus tappenbeckianus J.Braun & K.Schum. species accepted

Costus radicans Gagnep. species synonym

Costus pauciflorus K.Schum. species synonym

Costus araneosus Gagnep. species synonym

Costus fissiligulatus Gagnep. species synonym

Costus fissiligulatus var. major Gagnep. variety synonym

Costus leucanthus Maas species accepted

Costus productus Gleason ex Maas species accepted

Costus allenii Maas species accepted

Costus megalobractea K.Schum. species synonym

Costus bracteatus Rowlee species accepted

Costus lucanusianus J.Braun & K.Schum. species accepted

Costus dussii K.Schum. species synonym

Costus lucanusianus var. major K.Schum. variety synonym

Costus talbotii Ridl. species accepted

Costus arabicus L. species accepted

Costus sextus Roem. & Schult. species synonym

Costus arrabidae Steud. species synonym

Costus pubescens S.Moore species synonym

Costus ramosus Woodson species synonym

Costus pilgeri K.Schum. species synonym

Costus gracilis Loes. species synonym

Costus discolor Roscoe species synonym

Costus brasiliensis K.Schum. species synonym

Costus spiralis var. hirsutus Petersen variety synonym

Costus niveopurpureus Jacq. species synonym

Costus validus Loes. species synonym

Costus verschaffeltianus Lem. species synonym

Costus niveus G.Mey. species synonym

Costus dirzoi García-Mend. & G.Ibarra species accepted

Costus laevis Ruiz & Pav. species accepted

Costus cylindricus var. pulcherrimus (Kuntze) K.Schum. variety synonym

Costus weberbaueri Loes. species synonym

Costus giganteus Welw. ex Ridl. species accepted

Costus splendens Donn.Sm. & Türckh. species synonym

Costus kuntzei K.Schum. species synonym

Costus pulcherrimus Kuntze species heterotypic synonym

Costus maximus K.Schum. species synonym

Costus skutchii C.V.Morton species synonym

Costus phaeotrichus Loes. species synonym

Costus nitidus Maas species accepted

Costus schlechteri H.J.P.Winkl. species accepted

Costus violaceus Koechlin species synonym

Costus pulverulentus C.Presl species accepted

Costus formosus C.V.Morton species synonym

Costus laxus Petersen species synonym

Costus sanguineus Donn.Sm. species synonym

Costus ruber C.Wright ex Griseb. species synonym

Costus sulfureus K.Schum. species accepted

Costus erythrothyrsus Loes. species accepted

Costus vinosus Maas species accepted

Costus comosus (Jacq.) Roscoe species accepted

Costus glaucus Maas species accepted

Costus ulei Loes. species accepted

Costus bicolor J.Braun & K.Schum. species accepted

Costus ledermannii Loes. species accepted

Costus plowmanii Maas species accepted

Costus spiralis (Jacq.) Roscoe species accepted

Gissanthe spiralis (Jacq.) Salisb. species synonym

Costus afer Ker Gawl. species accepted

Costus anomocalyx K.Schum. species synonym

Costus pterometra K.Schum. species synonym

Costus oblitterans K.Schum. species synonym

Costus littoralis K.Schum. species synonym

Costus insularis A.Chev. species synonym

Costus dinklagei K.Schum. species accepted

Costus zingiberoides J.F.Macbr. species accepted

Costus curvibracteatus Maas species accepted

Costus scaber Ruiz & Pav. species accepted

Costus tatei Rusby species synonym

Costus cylindricus var. ciliatus (Miq.) Petersen variety synonym

Costus scaberulus Rich. ex Gagnep. species synonym

Costus cylindricus var. anachiri (Jacq.) Petersen variety synonym

Costus puchucupango J.F.Macbr. species synonym

Costus quintus Roem. & Schult. species synonym

Costus anachiri Jacq. species synonym

Costus nutans K.Schum. species synonym

Costus villosissimus Jacq. species accepted

Costus friedrichsenii Petersen species synonym

Costus septimus Roem. & Schult. species synonym

Costus clemensiae Ridl. species accepted

Costus ubangiensis Gagnep. species synonym

Costus beckii Maas & H.Maas species accepted

Costus subbiflorus K.Schum. species synonym

Costus adolphi-friderici Loes. species accepted

Costus nemotrichus K.Schum. species synonym

Costus sarmentosus Bojer species synonym

Costus ulugurensis K.Schum. species synonym

Costus claviger Benoist species accepted

Costus guianicus Loes. species synonym

Costus ricus Maas & H.Maas species accepted

Costus barbatus Suess. species accepted

Costus fortalezae K.Schum. species accepted

Costus longibracteolatus Maas species accepted

Costus stenophyllus Standl. & L.O.Williams species accepted

Costus erythrophyllus Loes. species accepted

Costus plicatus Maas species accepted

Costus dewevrei De Wild. & T.Durand species synonym

Costus osae Maas & H.Maas species accepted

Costus cupreifolius Maas species accepted

Costus mosaicus W.Bull species accepted

Costus malortieanus H.Wendl. species synonym

Costus elegans Petersen species synonym

Costus tonkinensis Gagnep. species accepted

Costus muluensis Meekiong, Ipor & Tawan species accepted

Costus erythrocoryne K.Schum. species accepted

Costus lateriflorus Baker species accepted

Costus spicatus (Jacq.) Sw. species accepted

Costus cylindricus Jacq. species synonym

Costus conicus Stokes species synonym

Costus quartus Roem. & Schult. species synonym

Costus micranthus Gagnep. species synonym

Costus acreanus (Loes.) Maas species accepted

Costus cylindricus var. acreanus Loes. variety synonym

Costus dendrophilus K.Schum. species accepted

Costus oligophyllus K.Schum. species accepted

Costus kunstleri King ex Ridl. species synonym

Costus zamoranus Steyerm. species accepted

Costus varzearum Maas species accepted

Costus eburneus Meekiong, Muliati & Tawan species accepted

Costus asteranthus Maas & H.Maas species accepted

Costus lasius Loes. species accepted

Costus spectabilis (Fenzl) K.Schum. species accepted

Costus pistiifolius K.Schum. species synonym

Cadalvena spectabilis Fenzl species synonym

Cadalvena pistiifolia (K.Schum.) Baker species synonym

Cadalvena dalzielii C.H.Wright species synonym

Costus deistelii K.Schum. species synonym

Costus woodsonii Maas species accepted

Costus cordatus Maas species accepted

Costus vargasii Maas & H.Maas species accepted

Costus chrysocephalus K.Schum. species accepted

Costus maculatus Roscoe species synonym

Costus afer var. maculatus (Roscoe) Baker variety synonym

Costus bullatus Meekiong, Muliati & Ipor species accepted

Costus sprucei Maas species accepted

Costus acanthocephalus K.Schum. species accepted

Costus juruanus K.Schum. species accepted

Costus wilsonii Maas species accepted

Costus guanaiensis Rusby species accepted

Costus montanus Maas species accepted

Costus rumphianus Valeton ex K.Heyne species accepted

Costus quasi-appendiculatus Woodson ex Maas species accepted

Costus asplundii (Maas) Maas species accepted

Costus guanaiensis var. asplundii Maas variety synonym

Costus foliaceus Lock & A.D.Poulsen species synonym

Costus microcephalus K.Schum. species accepted

Costus macranthus K.Schum. species accepted

Costus verschaffeltii Lem. species synonym

Costus purpurascens Huber species doubtful

Costus hirsutus C.Presl species heterotypic synonym

Costus glabratus Sw. species heterotypic synonym

Alpinia comosa Jacq. species heterotypic synonym

Kaempferia spectabilis Benth. species synonym

Costus arabicus Aubl., 1775 species doubtful

Costus argenteus K.Schum. species synonym

Costus scaber var. xlasius Ruiz & Pav. variety synonym

Costus fortalezae K.Schum. ex Loes., 1929 species doubtful

Costus pulcherrimus A.Chev. species heterotypic synonym

Costus pictus D.Don ex Lindl., 1833 species doubtful

Costus prodigiosus A.Chev. species doubtful

Alpinia arabica (L.) M.R.Almeida species synonym

Costus giganteus Kuntze species heterotypic synonym

Costus congestiflorus Rich., 1902 species accepted

Costus lilaceus Maas & H.Maas species accepted

Costus nudicaulis var. pilosa Gagnep. variety synonym

Pyxa picta (D.Don) S.R.Dutta & S.Yadav species synonym

Costus registrator Büsgen species doubtful

Costus luteus A.Chev., 1920 species synonym

Costus lucanusianus var. lucanusianus variety synonym

Costus albus A.Chev., 1936 species accepted

Costus monosperma Miq. species doubtful

Alpinia spicata Jacq. species heterotypic synonym

Costus arabicus Vell., 1829 species doubtful

Costus arabicus Roscoe species homotypic synonym

Costus kunstleri King species homotypic synonym

Costus amazonicus Linden species homotypic synonym

Costus rumphianus Valeton species homotypic synonym

Costus giganteus Welw. species homotypic synonym

Costus ruber C.Wright species homotypic synonym

Costus productus Gleason species homotypic synonym

Costus quasi-appendiculatus Woodson species homotypic synonym

Costus nimba H.Maas & Maas species accepted

Costus louisii H.Maas & Maas species accepted

Costus aureus Maas & H.Maas species accepted

Costus acutissimus Maas & H.Maas species accepted

Costus albiflos Maas & H.Maas species accepted

Costus fenestralis Maas & H.Maas species accepted