Like all other Matucanas, M.aureiflora is a Peruvian species. It has depressed-globular stem, and blooms with bright-yellow, hence the name, and unusual for Matucanas round-symmetrical flower with short flower tube. Buds on the picture actually bear more color than flowers that will open couple days later.
This particular form has thicker yellow-colored spines, different from plants that are common in cultivation.
All Matucanas give no trouble when grown in pots. One may wish them been a faster from seed, but they are sure not the slowest plants around. In cultivation Matucana aureiflora riches blooming size of about 3 inches in 4-5 years.