Acanthocalycium thionanthum subsp. ferrarii explained

Acanthocalycium thionanthum subsp. ferrarii is a subspecies of Acanthocalycium from Argentina.^[1] It can grow to up to 12 centimeters in diameter and produces red, orange, or yellow flowers.^[2]

Notes and References

1. Web site: Acanthocalycium ferrarii in Tropicos.
2. Web site: Acanthocalycium ferrarii. www.llifle.com. 2020-02-07.