Selenicereus inermis

Selenicereus inermis (Otto ex Pfeiff.) Britton & Rose (1920)

🌵 Author(s)	Joseph Nelson Rose Nathaniel Lord Britton
🌵 Basionym	Cereus inermis (1837)
🌵 Basionym author(s)	Louis Pfeiffer
🌵 Basionym published in	Enum. Diagn. Cact. 116. (1837)

Etymology

Latin ĭnermis ‘unarmed, spineless’. For the “wholly spineless adult branches” (Pfeiffer: “ramis […] adultis omnino inermibus”).