• Sun Cup cactus
Scientific classification
Kingdom:Plantae
(unranked):Angiosperms
(unranked):Eudicots
(unranked):Core eudicots
Order:Caryophyllales
Family:Cactaceae
Subfamily:Cactoideae
Tribe:Notocacteae
Genus:Parodia
Species: P.concinna
From my collection
via Flickr https://flic.kr/p/2hNxtbF