Rathbunia

 

The genus Rathbunia is now part of Stenocereus. It was containing 4 species from northwestern Mexico. They make dense thicket of semy erect stems, sometimes reaching over 8 feet high (2.5 m). The genus is named after Robert Rathbun.

Rathbunias are easy to grow from cuttings or seeds. They are fairly tolerant of soil qualities, but here in Arizona, enjoy generous watering in summer. They will take some frost in winter.

The red tubular flowers open during the day. They are followed by spiny red spherical fruits, generally less than 0.5 inches (1.2 cm) in diameter.

Species and varieties
Rathbunia alamosensis synonym of Stenocereus alamosensis (Octopus Cactus)
Rathbunia alamosensis var. sonorensis synonym of Stenocereus alamosensis (Octopus Cactus)
Rathbunia beneckei synonym of Stenocereus beneckei
Rathbunia chacalapensis synonym of Stenocereus chacalapensis
Rathbunia chrysocarpa synonym of Stenocereus chrysocarpus
Rathbunia dumortieri synonym of Isolatocereus dumortieri (Candelabra)
Rathbunia eichlamii synonym of Stenocereus eichlamii
Rathbunia eruca synonym of Stenocereus eruca (Creeping Devil Cactus, Chirinole)
Rathbunia fimbriata synonym of Stenocereus fimbriatus
Rathbunia fricii synonym of Stenocereus fricii (Pitayo de Aguas)
Rathbunia gummosa synonym of Stenocereus gummosus (Pitaya Agria)
Rathbunia kerberi synonym of Stenocereus kerberi (Sina)
Rathbunia laevigata synonym of Stenocereus laevigatus
Rathbunia longispina synonym of Stenocereus eichlamii
Rathbunia martinezii synonym of Stenocereus martinezii (Pitahayo)
Rathbunia montana synonym of Stenocereus montanus (Pitaya Colorada, Mountain Organ Pipe, Saguira)
Rathbunia neosonorensis synonym of Stenocereus alamosensis (Octopus Cactus)
Rathbunia pruinosa synonym of Stenocereus pruinosus (Gray Ghost Organ Pipe, Pitayo)
Rathbunia pseudosonorensis synonym of Stenocereus alamosensis (Octopus Cactus)
Rathbunia queretaroensis synonym of Stenocereus queretaroensis (Pitahaya de Queretaro)
Rathbunia quevedonis synonym of Stenocereus quevedonis
Rathbunia sonorensis synonym of Stenocereus alamosensis (Octopus Cactus)
Rathbunia standleyi synonym of Stenocereus standleyi (Pitahaya Marismeņa)
Rathbunia stellata synonym of Stenocereus stellatus (Pitaya, Xoconochtli, Jonocostle)
Rathbunia thurberi synonym of Stenocereus thurberi (Organ Pipe Cactus, Pitahaya Dulce)
Rathbunia thurberi var. littoralis synonym of Stenocereus thurberi ssp. littoralis (Organpipe Cactus)
Rathbunia treleasei synonym of Stenocereus treleasei (Tunillo)
Rathbunia yunckeri synonym of Stenocereus yunckeri

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