Acanthocalycium thionanthum, also known as Echinopsis thionantha, is a small cactus with spherical to cylindrical stems with 9 to 25 ribs …
Browsing: Acanthocalycium
Acanthocalycium is a genus of cactus consisting of several species from Argentina. The taxon name comes from Greek "akantha", meaning "prickly and "kalyx", meaning "buds, which refers to the spines on the floral tubes.
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Acanthocalycium spiniflorum is a cactus with globular stems that become cylindrical with age. It is usually solitary but may offset at the …