My new Pfeiffera monacantha subsp. kimnachii plant, in case #PfeifferaPfriday is a thing? I bet it is. This subspecies is spineless, so is handy if you are prone to headbutting your hanging plants. #cactus #succulents #houseplants https://t.co/u7XInQzHg9

— Kathy (@Khaph) 2018.9.15

PFEIFFERA MONACANTHA. https://t.co/LYUGK9weqb

— Silvino González M ️‍ (@Yourmung) 2017.3.18

PFEIFFERA MONACANTHA. https://t.co/mmzz2LEhJ3

— LS Assoc Lisa Bishop (@LS_IA_LBishop44) 2016.10.5

Pfeiffera monacantha with #orangeflower #cactaceae /cc @dale_dixon https://t.co/scUlmIui1e

— Klaus Alexander Seistrup (@kseistrup) 2016.7.16

Could it be a Pfeiffera monacantha (syn. Lepismium monacanthum)?

— Klaus Alexander Seistrup | @kas@magnetic-ink.dk (@kseistrup) 2016.4.28

PFEIFFERA MONACANTHA. https://t.co/lJNOCHTujQ

— حسن أبو مرام التونسي (@TunisianHassen) 2016.5.28