Cactus

Common names

Synonyms

• Cactus langsdorfii Lehm.
• Echinocactus langsdorfii (Lehm.) Link & Otto
• Echinocactus polyacanthus Link & Otto
• Malacocarpus langsdorfii (Lehm.) Britton & Rose
• Malacocarpus polyacanthus (Link & Otto) Salm-Dyck
• Melocactus langsdorfii (Lehm.) DC.
• Notocactus langsdorfii (Lehm.) Krainz
• Notocactus langsdorfii f. eddiewarasii N.Gerloff
• Notocactus langsdorfii f. multiceps (Hofacker & K.Herm) Neduchal
• Notocactus langsdorfii f. prestlei (N.Gerloff) N.Gerloff
• Notocactus langsdorfii f. prolifer (F.Ritter) N.Gerloff
• Notocactus langsdorfii var. leprosorum (F.Ritter) Hofacker
• Notocactus langsdorfii var. longispinus (F.Ritter) N.Gerloff
• Notocactus leprosorum (F.Ritter) Havlíček
• Notocactus leprosorum (F.Ritter) S.Theun.
• Notocactus longispinus (F.Ritter) Havlíček
• Notocactus longispinus (F.Ritter) S.Theun.
• Notocactus neohorstii var. prestlei N.Gerloff
• Notocactus polyacanthus (Link & Otto) S.Theun.
• Notocactus prolifer (F.Ritter) S.Theun.
• Notocactus pulvinatus var. multiceps (Hofacker & K.Herm) Garabelli & Wolman
• Parodia langsdorfii subsp. multiceps Hofacker & K.Herm
• Ritterocactus langsdorfii (Lehm.) Doweld
• Ritterocactus langsdorfii subsp. multiceps (Hofacker & K.Herm) Doweld
• Wigginsia langsdorfii (Lehm.) D.M.Porter
• Wigginsia langsdorfii subsp. multiceps (Hofacker & K.Herm) Doweld
• Wigginsia leprosorum F.Ritter
• Wigginsia longispina F.Ritter
• Wigginsia longispina var. infernensis N.Gerloff & S.H.Klein
• Wigginsia polyacantha (Link & Otto) F.Ritter
• Wigginsia prolifera F.Ritter

Plant problems

• Christmas cactus leaves limp and wrinkled: causes and fixesLimp, wrinkled Christmas cactus stems can signal dry mix or damaged roots. Check moisture before choosing watering or root-rescue steps.
• Christmas cactus buds falling off: causes and fixesChristmas cactus buds falling off? Learn the likely causes and how steady temperatures, careful watering and fewer moves can protect remaining buds.
• Christmas cactus not blooming: causes and fixesChristmas cactus not blooming? Check nighttime light and warmth first, then follow a practical routine to encourage buds.

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