Central Taxonomic Thesaurus
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  Plantae
    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Monocots
                [Liliatae]
                [Liliopsida]
                [Monocotyledoneae]
               Commelinids
                    Zingiberales
                            Costaceae
                                     Cadalvena
                                     Chamaecostus
                                             Chamaecostus cuspidatus
                                             Chamaecostus fusiformis
                                                   [Costus fusiformis]
                                             Chamaecostus lanceolatus
                                                   [Costus lanceolatus]
                                               Chamaecostus lanceolatus subsp. lanceolatus
                                                     [Costus phlociflorus]
                                               Chamaecostus lanceolatus subsp. pulchriflorus
                                             Chamaecostus subsessilis
                                                   [Costus warmingii]
                                     Cheilocostus
                                             Cheilocostus speciosus
                                     Costus
                                             Costus acutissimus
                                             Costus afer
                                                   [Costus anomocalyx]
                                                   [Costus deistelii]
                                                   [Costus edulis]
                                                   [Costus insularis]
                                                   [Costus littoralis]
                                                   [Costus megalobractea]
                                                   [Costus oblitterans]
                                                   [Costus pterometra]
                                                   [Costus subbiflorus]
                                                   [Costus trachyphyllus]
                                                   [Costus ulugurensis]
                                             Costus albiflos
                                             Costus allenii
                                             Costus amazonicus
                                               Costus amazonicus subsp. krukovii
                                             Costus arabicus
                                             Costus aureus
                                                   [Costus luteus]
                                             Costus barbatus
                                             Costus bicolor
                                             Costus chartaceus
                                             Costus claviger
                                             Costus comosus
                                               Costus comosus var. comosus
                                                     [Costus maritimus]
                                             Costus congestiflorus
                                             Costus cupreifolius
                                             Costus curvibracteatus
                                             Costus cuspidatus
                                             Costus cylindricus
                                             Costus dendrophilus
                                             Costus dinklagei
                                             Costus dirzoi
                                             Costus dubius
                                                   [Costus adolphi-fridericii]
                                                   [Costus albus]
                                                   [Costus zechii]
                                                   [Zingiber dubium]
                                             Costus erythrophyllus
                                             Costus fenestralis
                                             Costus gabonensis
                                             Costus giganteus
                                             Costus glaucus
                                             Costus gracillimus
                                                   [Costus pulcherrimus]
                                             Costus guanaiensis
                                               Costus guanaiensis var. guanaiensis
                                               Costus guanaiensis var. macrostrobilus
                                               Costus guanaiensis var. tarmicus
                                             Costus igneus
                                             Costus kupensis
                                             Costus laevis
                                                   [Costus skutchii]
                                             Costus lasius
                                             Costus lateriflorus
                                                   [Costus letestui]
                                             Costus ledermannii
                                             Costus ligularis
                                                   [Costus araneosus]
                                                   [Costus fimbriatus]
                                                   [Costus ngouniensis]
                                             Costus lilaceus
                                             Costus lima
                                               Costus lima var. lima
                                             Costus loangensis
                                             Costus louisii
                                             Costus lucanusianus
                                                   [Costus lucanusianus var. major]
                                             Costus maboumiensis
                                             Costus macranthus
                                             Costus macrostrobilus
                                             Costus maculatus
                                                   [Costus afer var. maculatus]
                                             Costus malortieanus
                                             Costus microcephalus
                                             Costus montanus
                                             Costus mosaicus
                                             Costus nimba
                                             Costus osae
                                             Costus phyllocephalus
                                                   [Costus dewevrei]
                                                   [Costus fissiligulatus var. major]
                                                   [Costus fissiligulatus]
                                                   [Costus foliaceus]
                                                   [Costus nudicaulis var. pilosa]
                                                   [Costus nudicaulis]
                                                   [Costus ubangiensis]
                                                   [Costus violaceus]
                                             Costus pictus
                                             Costus plicatus
                                             Costus productus
                                             Costus pulverulentus
                                                   [Costus formosus]
                                                   [Costus laxus]
                                                   [Costus sanguineus]
                                             Costus ruber
                                             Costus sarmentosus
                                             Costus scaber
                                                   [Costus nutans]
                                             Costus schlechteri
                                             Costus sepacuitensis
                                             Costus speciosus
                                             Costus spectabilis
                                                   [Cadalvena dalzielii]
                                                   [Cadalvena pistiifolia]
                                                   [Cadalvena spectabilis]
                                                   [Costus pistiifolius]
                                             Costus spicatus
                                             Costus spiralis
                                               Costus spiralis var. spiralis
                                               Costus spiralis var. villosus
                                             Costus sprucei
                                             Costus stenophyllus
                                             Costus subsessilis
                                             Costus talbotii
                                             Costus tappenbeckianus
                                                   [Costus nemotrichus]
                                                   [Costus pauciflorus]
                                                   [Costus phaeotrichus]
                                                   [Costus radicans]
                                             Costus tonkinensis
                                             Costus varzearum
                                             Costus villosissimus
                                                   [Costus hirsutus]
                                             Costus vinosus
                                             Costus wilsonii
                                             Costus woodsonii
                                               Costus comosus var. bakeri
                                                     [Costus bakeri]
                                     Dimerocostus
                                             Dimerocostus argenteus
                                                   [Costus argenteus]
                                             Dimerocostus strobilaceus
                                               Dimerocostus strobilaceus subsp. gutierrezii
                                                     [Dimerocostus williamsii]
                                               Dimerocostus strobilaceus subsp. strobilaceus
                                     Hellenia
                                             Hellenia globosa
                                                   [Costus globosus]
                                             Hellenia lacera
                                                   [Costus lacerus]
                                             Hellenia speciosa
                                     Monocostus
                                             Monocostus uniflorus
                                                   [Dimerocostus uniflorus]
                                     Paracostus
                                             Paracostus englerianus
                                                   [Costus englerianus]
                                                   [Costus unifolius]
                                     Tapeinochilos
                                             Tapeinochilos ananassae