Thelocactus

 

The genus Thelocactus contains a dozen variety of mostly Mexican cacti relative to Ferocactus. The main difference with Ferocactus is the presence of tubercles instead of ribs. Thelocactus are generally solitary, but some varieties will cluster.

Thelocactus have generally large flowers appearing intermittently during the summer.

Species and varieties
Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor ssp. flavidispinus
Thelocactus bicolor ssp. schwarzii
Thelocactus conothelos
Thelocactus conothelos ssp. argenteus
Thelocactus conothelos ssp. aurantiacus
Thelocactus garciae
Thelocactus hastifer
Thelocactus heterochromus
Thelocactus hexaedrophorus
Thelocactus hexaedrophorus ssp. lloydii
Thelocactus lausseri
Thelocactus leucacanthus
Thelocactus leucacanthus ssp. schmollii
Thelocactus macdowelii
Thelocactus rinconensis
Thelocactus rinconensis ssp. hintonii
Thelocactus setispinus (Miniature Barrel Cactus)
Thelocactus setispinus var. orcuttii
Thelocactus tulensis
Thelocactus tulensis ssp. buekii
Thelocactus tulensis ssp. matudae
Thelocactus aguirreanus synonym of Acharagma aguirreana
Thelocactus beguinii synonym of Turbinicarpus mandragora ssp. beguinii
Thelocactus bicolor var. bolaensis synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor var. commodus synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor var. pottsii synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor var. schottii synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor var. schwarzii synonym of Thelocactus bicolor ssp. schwarzii
Thelocactus bicolor var. texensis synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor var. tricolor synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor var. wagnerianus synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor ssp. bolaensis synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus bicolor ssp. heterochromus synonym of Thelocactus heterochromus
Thelocactus buekii synonym of Thelocactus tulensis ssp. buekii
Thelocactus buekii ssp. matudae synonym of Thelocactus tulensis ssp. matudae
Thelocactus conothele synonym of Thelocactus conothelos
Thelocactus conothele var. argenteus synonym of Thelocactus conothelos ssp. argenteus
Thelocactus conothele var. aurantiacus synonym of Thelocactus conothelos ssp. aurantiacus
Thelocactus conothele ssp. garciae synonym of Thelocactus garciae
Thelocactus conothelos var. macdowellii synonym of Thelocactus macdowelii
Thelocactus conothelos ssp. flavus synonym of Thelocactus tulensis
Thelocactus dasyacanthus synonym of Echinomastus intertextus
Thelocactus durangensis synonym of Echinomastus unguispinus
Thelocactus ehrenbergii synonym of Thelocactus leucacanthus
Thelocactus flavidispinus synonym of Thelocactus bicolor ssp. flavidispinus
Thelocactus flavus synonym of Thelocactus tulensis
Thelocactus fossulatus synonym of Thelocactus hexaedrophorus
Thelocactus gielsdorfianus synonym of Turbinicarpus gielsdorfianus
Thelocactus goldii synonym of Turbinicarpus horripilus
Thelocactus hertrichii synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Thelocactus hexaedrophorus var. decipiens synonym of Thelocactus hexaedrophorus
Thelocactus hexaedrophorus var. droegeanus synonym of Thelocactus hexaedrophorus
Thelocactus hexaedrophorus var. fossulatus synonym of Thelocactus hexaedrophorus
Thelocactus hexaedrophorus var. labouretianus synonym of Thelocactus hexaedrophorus
Thelocactus hexaedrophorus var. lloydii synonym of Thelocactus hexaedrophorus ssp. lloydii
Thelocactus hexaedrophorus var. major synonym of Thelocactus hexaedrophorus
Thelocactus horripilus synonym of Turbinicarpus horripilus
Thelocactus intertextus synonym of Echinomastus intertextus
Thelocactus johnsonii synonym of Echinomastus johnsonii (Pygmy Barrel Cactus)
Thelocactus knuthianus synonym of Turbinicarpus saueri ssp. knuthianus
Thelocactus krainzianus synonym of Thelocactus tulensis
Thelocactus leucacanthus synonym of Thelocactus tulensis
Thelocactus leucacanthus var. ehrenbergii synonym of Thelocactus leucacanthus
Thelocactus leucacanthus var. porrectus synonym of Thelocactus leucacanthus
Thelocactus leucacanthus var. sanchezmejoradae synonym of Thelocactus leucacanthus
Thelocactus leucanthus var. schmollii synonym of Thelocactus leucacanthus ssp. schmollii
Thelocactus lloydii synonym of Thelocactus hexaedrophorus ssp. lloydii
Thelocactus lophophoroides synonym of Turbinicarpus lophophoroides
Thelocactus lophothele synonym of Thelocactus rinconensis
Thelocactus lophothele var. nidulans synonym of Thelocactus rinconensis
Thelocactus macdowellii synonym of Thelocactus macdowelii
Thelocactus macrochele var. schwarzii synonym of Turbinicarpus schmiedickeanus ssp. schwarzii
Thelocactus matudae synonym of Thelocactus tulensis ssp. matudae
Thelocactus multicephalus synonym of Thelocactus rinconensis
Thelocactus nidulans synonym of Thelocactus rinconensis
Thelocactus panarottoanus synonym of Thelocactus conothelos
Thelocactus phymatothelos synonym of Thelocactus rinconensis
Thelocactus porrectus synonym of Thelocactus leucacanthus
Thelocactus pottsii synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus pseudopectinatus synonym of Turbinicarpus pseudopectinatus
Thelocactus rinconensis var. freudenbergeri synonym of Thelocactus rinconensis
Thelocactus rinconensis var. nidulans synonym of Thelocactus rinconensis
Thelocactus rinconensis var. phymatothelos synonym of Thelocactus rinconensis
Thelocactus rinconensis ssp. freudenbergeri synonym of Thelocactus rinconensis
Thelocactus rinconensis ssp. multicephalus synonym of Thelocactus rinconensis
Thelocactus rinconensis ssp. nidulans synonym of Thelocactus rinconensis
Thelocactus rinconensis ssp. phymatothelos synonym of Thelocactus rinconensis
Thelocactus roseanus synonym of Acharagma roseana
Thelocactus sanchezmejoradae synonym of Thelocactus leucacanthus
Thelocactus sanchezmejoradai synonym of Thelocactus leucacanthus
Thelocactus saussieri synonym of Thelocactus conothelos
Thelocactus schottii synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus schwarzii synonym of Thelocactus bicolor ssp. schwarzii
Thelocactus setispinus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Thelocactus setispinus var. cachetianus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Thelocactus setispinus var. hamatus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Thelocactus setispinus var. mierensis synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Thelocactus setispinus var. setaceus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Thelocactus smithii synonym of Thelocactus conothelos
Thelocactus subterraneus synonym of Turbinicarpus mandragora ssp. subterraneus
Thelocactus tulensis var. buckii synonym of Thelocactus tulensis ssp. buekii
Thelocactus tulensis var. matudae synonym of Thelocactus tulensis ssp. matudae
Thelocactus uncinatus synonym of Sclerocactus uncinatus (Chihuahuan Fishhook Cactus)
Thelocactus uncinatus var. wrightii synonym of Sclerocactus uncinatus ssp. wrightii
Thelocactus unguispinus synonym of Echinomastus unguispinus
Thelocactus valdezianus synonym of Turbinicarpus valdezianus
Thelocactus viereckii synonym of Turbinicarpus viereckii
Thelocactus viereckii var. major synonym of Turbinicarpus viereckii ssp. major
Thelocactus wagnerianus synonym of Thelocactus bicolor (Glory of Texas)
Thelocactus ysabelae synonym of Turbinicarpus saueri ssp. ysabelae
Thelocactus ysabelae var. brevispinus synonym of Turbinicarpus saueri ssp. ysabelae

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