Ancistrocactus megarrhizus (Rose) Britton & Rose (1923) 🌵 Author(s) Joseph Nelson RoseNathaniel Lord Britton 🌵 BasionymEchinocactus megarrhizus (1909) 🌵 Basionym author(s) Joseph Nelson Rose 🌵 Type of Ancistrocactus Etymology Greek megas ‘large’ + Greek rhiza ‘root’. For the “large and fleshy” roots. The original spelling megarrhizus was miscorrected to megarhizus (see Cereus pachyrrhizus) by Britton and Rose when they made the combination under Ancistrocactus.
Maarten H.J. van der Meer (2022 Feb 05). Ancistrocactus megarrhizus. Dictionary of Cactus Names. Retrieved from https://www.cactusnames.org/ancistrocactus-megarrhizus