Cochemiea insularis
seen from Brazil
seen from United States

seen from Canada
seen from China

seen from Türkiye
seen from Italy
seen from United States
seen from United States
seen from Malaysia
seen from China
seen from Norway
seen from Yemen
seen from China

seen from Malaysia

seen from Serbia

seen from Türkiye
seen from China

seen from United States

seen from United States
seen from Singapore
Cochemiea insularis
Mammillaria pondii ssp. setispina
Mammillaria pondii ssp. setispina belongs to a group of hummingbird-pollinated species native to Baja California (formerly put in the separate genus Cochemiea). Their elongated red tubular flowers look unlike those of other Mammillarias, but this is a pollinator adaptation which makes them seem more different than they really are.
-Brian
Cactus: Cochemiea poselgeri Book: handboek van cactussen en vetplanten Photo: Nerino Salvadori, Sarego, Vicenza