Pilosocereus

 

Pilosocereus is a genus of around 50 species of columnar cactis that spreads from Mexico and West Indies down to northern South America. They are mostly large columnar cacti. The name Pilosocereus comes from the Latine for 'hairy Cereus'.

As many other Cereus related cacti, Pilosocereus have large, light colored, heavily scented, funnel shaped flowers that open at night and stay open for less than 24 hours.

Pilosocereus are generally not frost resistant, and should be protected. If one of your specimen is outside and a light frost might occur, the usual way to protect it in Phoenix is to stick a polystyrene cup at the top of each stem. This added protection is enough to avoid damage to the frost tender growing point, and it can be left for several weeks without any damage to the tree.

Most Pilosocereus come from an area that has a marked dry season from November to May, and a wet season from May to October. In cultivation, they will generally enjoy regular watering and fertilizing in late spring to early autumn, while only light watering is needed the rest of the year.

Species and varieties
Pilosocereus albisummus
Pilosocereus alensis
Pilosocereus arrabidae
Pilosocereus aureispinus
Pilosocereus aurisetus
Pilosocereus aurisetus ssp. aurilanatus
Pilosocereus azulensis
Pilosocereus brasiliensis
Pilosocereus brasiliensis ssp. ruschianus
Pilosocereus catingicola
Pilosocereus catingicola ssp. salvadorensis
Pilosocereus chrysacanthus
Pilosocereus chrysostele
Pilosocereus densiareolatus
Pilosocereus diersianus
Pilosocereus estevesii
Pilosocereus flavipulvinatus
Pilosocereus flexibilispinus
Pilosocereus floccosus
Pilosocereus floccosus ssp. quadricostatus
Pilosocereus fulvilanatus
Pilosocereus fulvilanatus ssp. rosae
Pilosocereus glaucescens
Pilosocereus glaucochrous
Pilosocereus gounellei (Xique-Xique)
Pilosocereus gounellei ssp. zehntneri
Pilosocereus lanuginosus
Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus machrisii
Pilosocereus magnificus (Facheiro)
Pilosocereus multicostatus
Pilosocereus occultiflorus
Pilosocereus oligolepis
Pilosocereus pachycladus
Pilosocereus pachycladus ssp. pernambucoensis
Pilosocereus pentaedrophorus (Facheiro)
Pilosocereus pentaedrophorus ssp. robustus
Pilosocereus piauhyensis (Facheiro)
Pilosocereus polygonus (Bahama Dildo, Robin Tree Cactus)
Pilosocereus purpusii (Viejos)
Pilosocereus quadricentralis
Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus subsimilis
Pilosocereus tuberculatus (Caxacubri)
Pilosocereus ulei
Pilosocereus vilaboensis
Pilosocereus arenicola synonym of Pilosocereus catingicola
Pilosocereus atroflavispinus synonym of Pilosocereus pachycladus
Pilosocereus aurilanatus synonym of Pilosocereus aurisetus ssp. aurilanatus
Pilosocereus aurisetus ssp. densilanatus synonym of Pilosocereus aurisetus
Pilosocereus aurisetus ssp. supthutianus synonym of Pilosocereus aurisetus
Pilosocereus aurisetus ssp. werdermannianus synonym of Pilosocereus aurisetus
Pilosocereus azureus synonym of Pilosocereus pachycladus
Pilosocereus backebergii synonym of Pilosocereus lanuginosus
Pilosocereus bahamensis synonym of Pilosocereus polygonus (Bahama Dildo, Robin Tree Cactus)
Pilosocereus barbadensis synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus bradei synonym of Cipocereus bradei
Pilosocereus braunii synonym of Pilosocereus gounellei (Xique-Xique)
Pilosocereus brooksianus synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus carolinensis synonym of Pilosocereus flavipulvinatus
Pilosocereus catingicola ssp. arenicola synonym of Pilosocereus catingicola
Pilosocereus catingicola ssp. hapalacanthus synonym of Pilosocereus catingicola
Pilosocereus catingicola ssp. robustus synonym of Pilosocereus catingicola
Pilosocereus cenepequei synonym of Pilosocereus pachycladus
Pilosocereus claroviridis synonym of Pilosocereus lanuginosus
Pilosocereus collinsii synonym of Pilosocereus purpusii (Viejos)
Pilosocereus colombianus synonym of Pilosocereus lanuginosus
Pilosocereus cometes synonym of Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus cristalinensis synonym of Pilosocereus machrisii
Pilosocereus cuyabensis synonym of Pilosocereus machrisii
Pilosocereus cyaneus synonym of Pilosocereus pachycladus
Pilosocereus deeringii synonym of Pilosocereus polygonus (Bahama Dildo, Robin Tree Cactus)
Pilosocereus densivillosus synonym of Pilosocereus machrisii
Pilosocereus flavipulvinatus var. carolinensis synonym of Pilosocereus flavipulvinatus
Pilosocereus flavipulvinatus ssp. carolinensis synonym of Pilosocereus flavipulvinatus
Pilosocereus gaturianensis synonym of Pilosocereus piauhyensis (Facheiro)
Pilosocereus gaumeri synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus gironensis synonym of Pilosocereus lanuginosus
Pilosocereus gruberi synonym of Cereus mortensenii
Pilosocereus guerreronis synonym of Pilosocereus alensis
Pilosocereus hapalacanthus synonym of Pilosocereus catingicola
Pilosocereus juaruensis synonym of Pilosocereus machrisii
Pilosocereus kanukuensis synonym of Pilosocereus oligolepis
Pilosocereus keyensis synonym of Pilosocereus polygonus (Bahama Dildo, Robin Tree Cactus)
Pilosocereus lindaianus synonym of Pilosocereus machrisii
Pilosocereus luetzelburgii synonym of Stephanocereus luetzelburgii
Pilosocereus maxonii synonym of Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus millspaughii synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus minensis synonym of Cipocereus minensis
Pilosocereus monoclonos synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus moritzianus synonym of Pilosocereus lanuginosus
Pilosocereus mortensenii synonym of Cereus mortensenii
Pilosocereus mucosiflorus synonym of Pilosocereus piauhyensis (Facheiro)
Pilosocereus nobilis synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus oligolepis ssp. kanukuensis synonym of Pilosocereus oligolepis
Pilosocereus oreus synonym of Pilosocereus pachycladus
Pilosocereus palmeri synonym of Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus palmeri var. victoriensis synonym of Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus paraguayensis synonym of Pilosocereus machrisii
Pilosocereus parvus synonym of Pilosocereus machrisii
Pilosocereus perlucens synonym of Cereus hexagonus (Lady of the Night Cactus)
Pilosocereus pernambucoensis synonym of Pilosocereus pachycladus ssp. pernambucoensis
Pilosocereus piauhyensis ssp. gaturianensis synonym of Pilosocereus piauhyensis (Facheiro)
Pilosocereus piauhyensis ssp. mucosiflorus synonym of Pilosocereus piauhyensis (Facheiro)
Pilosocereus pleurocarpus synonym of Cipocereus minensis ssp. pleurocarpus
Pilosocereus pusillibaccatus synonym of Pilosocereus machrisii
Pilosocereus pusilliflorus synonym of Cipocereus pusilliflorus
Pilosocereus quadricostatus synonym of Pilosocereus floccosus ssp. quadricostatus
Pilosocereus rizzoanus synonym of Pilosocereus vilaboensis
Pilosocereus robinii synonym of Pilosocereus polygonus (Bahama Dildo, Robin Tree Cactus)
Pilosocereus robinii var. deeringii synonym of Pilosocereus polygonus (Bahama Dildo, Robin Tree Cactus)
Pilosocereus robustus synonym of Pilosocereus catingicola
Pilosocereus rosae synonym of Pilosocereus fulvilanatus ssp. rosae
Pilosocereus rupicola synonym of Pilosocereus catingicola
Pilosocereus ruschianus synonym of Pilosocereus brasiliensis ssp. ruschianus
Pilosocereus salvadorensis synonym of Pilosocereus catingicola ssp. salvadorensis
Pilosocereus sartorianus synonym of Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus saudadensis synonym of Pilosocereus machrisii
Pilosocereus schoebelii synonym of Pilosocereus pachycladus
Pilosocereus sergipensis synonym of Pilosocereus catingicola
Pilosocereus splendidus synonym of Pilosocereus pachycladus
Pilosocereus sublanatus synonym of Pilosocereus brasiliensis
Pilosocereus superbus synonym of Pilosocereus pachycladus
Pilosocereus superfloccosus synonym of Pilosocereus gounellei (Xique-Xique)
Pilosocereus supthutianus synonym of Pilosocereus aurisetus
Pilosocereus swartzii synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus tehuacanus synonym of Pilosocereus leucocephalus (Woolly Torch)
Pilosocereus tillianus synonym of Pilosocereus lanuginosus
Pilosocereus tuberculosus synonym of Pilosocereus lanuginosus
Pilosocereus tweedyanus synonym of Pilosocereus lanuginosus
Pilosocereus urbanianus synonym of Pilosocereus royenii (Royen's Tree Cactus)
Pilosocereus werdermannianus synonym of Pilosocereus aurisetus
Pilosocereus werdermannianus var. densilanatus synonym of Pilosocereus aurisetus
Pilosocereus zehntneri synonym of Pilosocereus gounellei ssp. zehntneri

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