雲竜（ウンリュウ） (観音竜/観音蛇竜/紋美玉/紋緋麗)
Gymnocalycium monvillei
(Lem.) Pfeiff. ex Britton & Rose
Order Caryophyllales, Family Cactaceae
Distribution range: NW. Argentina (to Córdoba)
Genus
Gymnocalycium
The essential 1000 genera certification B Level
緋牡丹（ヒボタン）