剣魔玉（ケンマギョク）
Gymnocalycium castellanosii
Backeb. subsp.
castellanosii
Order Caryophyllales, Family Cactaceae
Distribution range: Argentina: La Rioja, San Juan
Genus
Gymnocalycium
The essential 1000 genera certification B Level
緋牡丹（ヒボタン）