Matucana aureiflora F. Ritter
Growth Habits: Solitary, up to 4 inches tall (10 cm), 5 inches in diameter (12 cm)
Scientific name: Matucana aureiflora.
Common names: None known.
Synonym: Matucana celendinensis, Submatucana aureiflora, Borzicactus aureiflorus
Etymology: Matucana Named after the small Peruvian town 50 miles east of Lima, where they grow at 6,000-13,000 feet
aureiflora The specific name means golden flowered.
Origin: Peru (Camajarca)
Light: Sunlight or light shade.
Compost: A free draining cactus compost deep enough to allow for the tap root.
Water: Regular watering spring to autumn, allow soil to dry between waterings. Dry in winter.
Flower: Bright yellow.
Min temp: +5 degrees C (41 F) not frost hardy.
References.
http://www.cactus-art.biz
http://www.desert-tropicals.com
http://www.cactiguide.com
Comments. Looks similar to Oroya peruviana but the flowers are very different.
Starts flowering at about 3 inches dia (7.5 cm)
Habitat image
Photographer: Craig Howe