Ancistrocactus megarhizus. This species is a low growing cactus with dark green ribs and yellow-green flowers in the summer. It has fleshy bulbous white tuber-like taproots.
Also known as Ancistrocactus scheeri.
Perennial, Evergreen, Cactus
USA (Texas); Mexico
Grown for the spherical to short, globose to columnar stems.
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When in growth water moderately. They are frost tender, with a minimum of 2C in completely dry conditions. This plant needs sun and very well drained soil. May rot if over-watered.
By seed.
Prone to mealy bugs
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