This plant was a recentlyest discover. Someone thinks is an intermediate form between grandiflora and longistaminea. Curved and twisted spine, usually yellow orange, became darkish with age

This is a 2019 seedling. Seeds are from my friend Ignazio Blando. Big 158. Grafted on  harrisia jusberti
This is a 2019 seedling. Seeds are from my friend Ignazio Blando. Big 158. Grafted on harrisia jusberti