Endemic of Goiás and Mato Grosso do Sul in Brazil.
Scientific classification
Kingdom:Plantae
(unranked):Angiosperms
(unranked):Eudicots
(unranked):Core eudicots
Order:Caryophyllales
Family:Cactaceae
Subfamily:Cactoideae
Tribe:Trichocereeae
Genus:Echinopsis
Species:E. calochlora
From my collection
Some other Echinopsis of 2020:
• Echinopsis subdenudata flic.kr/p/2kaGtuT
• Echinopsis eyriesii flic.kr/p/2kbh6KH
• Hybrid (white / broad petals) flic.kr/p/2kgRjQE
via Flickr https://flic.kr/p/2kmSo1U