Costus erythrothyrsus Loes. species accepted

Costus clemensiae Ridl. species accepted

Costus asplundii (Maas) Maas species accepted

Costus acanthocephalus K.Schum. species accepted

Costus muluensis Meekiong, Ipor & Tawan species accepted

Costus macranthus K.Schum. species accepted

Costus nitidus Maas species accepted

Costus plowmanii Maas species accepted

Costus osae Maas & H.Maas species accepted

Costus oligophyllus K.Schum. species accepted

Costus chrysocephalus K.Schum. species accepted

Costus afer Ker Gawl. species accepted

Costus microcephalus K.Schum. species accepted

Costus longibracteolatus Maas species accepted

Costus mosaicus W.Bull species accepted

Costus montanus Maas species accepted

Costus elegans Veitch ex J.Dix species accepted

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

Costus acutissimus Maas & H.Maas species accepted

Costus albiflos Maas & H.Maas species accepted

Costus aureus Maas & H.Maas species accepted

Costus fenestralis Maas & H.Maas species accepted

Costus gracillimus Maas & H.Maas species accepted

Costus kupensis Maas & H.Maas species accepted

Costus lilaceus Maas & H.Maas species accepted

Costus louisii H.Maas & Maas species accepted

Costus nimba H.Maas & Maas species accepted

Costus alfredoi Maas & H.Maas species accepted

Costus alleniopsis Maas & D.Skinner species accepted

Costus alticola Maas & H.Maas species accepted

Costus antioquiensis Maas & H.Maas species accepted

Costus callosus Maas & H.Maas species accepted

Costus cochabambae Maas & H.Maas species accepted

Costus convexus Maas & D.Skinner species accepted

Costus douglasdalyi Maas & H.Maas species accepted

Costus flammulus K.M.Kay & P.Juárez species accepted

Costus gibbosus D.Skinner & Maas species accepted

Costus mollissimus Maas & H.Maas species accepted

Costus obscurus D.Skinner & Maas species accepted

Costus oreophilus Maas & D.Skinner species accepted

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

Costus prancei Maas & H.Maas species accepted

Costus pseudospiralis Maas & H.Maas species accepted

Costus rubineus D.Skinner & Maas species accepted

Costus whiskeycola Maas & H.Maas species accepted

Costus acreanus (Loes.) Maas species accepted

Costus adolphi-friderici Loes. species accepted

Costus allenii Maas species accepted

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

Costus arabicus L. species accepted

Costus asteranthus Maas & H.Maas species accepted

Costus barbatus Suess. species accepted

Costus beckii Maas & H.Maas species accepted

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

Costus bracteatus Rowlee species accepted

Costus bullatus Meekiong, Muliati & Ipor species accepted

Costus chartaceus Maas species accepted

Costus claviger Benoist species accepted

Costus comosus (Jacq.) Roscoe species accepted

Costus cordatus Maas species accepted

Costus cupreifolius Maas species accepted

Costus curvibracteatus Maas species accepted

Costus dendrophilus K.Schum. species accepted

Costus dinklagei K.Schum. species accepted

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

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

Costus eburneus Meekiong, Muliati & Tawan species accepted

Costus erythrocoryne K.Schum. species accepted

Costus erythrophyllus Loes. species accepted

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

Costus fortalezae K.Schum. species accepted

Costus gabonensis Koechlin species accepted

Costus geothyrsus K.Schum. species accepted

Costus giganteus Welw. ex Ridl. species accepted

Costus glaucus Maas species accepted

Costus guanaiensis Rusby species accepted

Costus juruanus K.Schum. species accepted

Costus laevis Ruiz & Pav. species accepted

Costus lasius Loes. species accepted

Costus lateriflorus Baker species accepted

Costus ledermannii Loes. species accepted

Costus leucanthus Maas species accepted

Costus ligularis Baker species accepted

Costus lima K.Schum. species accepted

Costus loangensis H.Maas & Maas species accepted

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

Costus maboumiensis Pellegr. species accepted

Costus phyllocephalus K.Schum. species accepted

Costus pictus D.Don species accepted

Costus plicatus Maas species accepted

Costus productus Gleason ex Maas species accepted

Costus pulverulentus C.Presl species accepted

Costus quasi-appendiculatus Woodson ex Maas species accepted

Costus ricus Maas & H.Maas species accepted

Costus rumphianus Valeton ex K.Heyne species accepted

Costus scaber Ruiz & Pav. species accepted

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

Costus sepacuitensis Rowlee species accepted

Costus spectabilis (Fenzl) K.Schum. species accepted

Costus spicatus (Jacq.) Sw. species accepted

Costus spiralis (Jacq.) Roscoe species accepted

Costus sprucei Maas species accepted

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

Costus sulfureus K.Schum. species accepted

Costus talbotii Ridl. species accepted

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

Costus ulei Loes. species accepted

Costus vargasii Maas & H.Maas species accepted

Costus varzearum Maas species accepted

Costus villosissimus Jacq. species accepted

Costus vinosus Maas species accepted

Costus wilsonii Maas species accepted

Costus woodsonii Maas species accepted

Costus zamoranus Steyerm. species accepted

Costus zingiberoides J.F.Macbr. species accepted