I want to hear about this too. I studied bees on Ferocactus, and did some experiments on Platyopuntia, but don't know anything about bees on chollas. One thing I did observe is flowers of Opuntia fulgida open in late afternoon and have a sweet scent (unlike most cactus fls) https://t.co/2hRPBW6SOj

— Dr. Margrit McIntosh (@memcinto) 2022.2.10

@karinaasecas @BubbIa__ Tengo Graptoveria Debbie...tmb tengo Kalanchoe Houghtonii, Echinopsis pachanoi, AutrocylindropuntiaSubulata, Aloe Juvenna, Cylindropuntia Brasilensis, Opuntia Fulgida Monstruosa, Ferocactus Glaucens, Senecio inaequidens, Opuntia Microdasys, Mammilaria elongata, Lobivia silvestri

— ArielMun™ (@arielmun) 2020.6.4

New post - Growing Chain Cholla Cacti In The Garden | https://t.co/JcBp7Ynv9f Chain cholla cactus bears two scientific names, Opuntia fulgida and Cylindropuntia fulgida, but .. Check it now ==> {Link} #Gardening Tips https://t.co/Lgk2YbNqlV

— Crypto Sniper (@denniswong34) 2018.11.24