Aylostera flavistyla is a species of flowering plant in the family Cactaceae. Description Aylostera flavistyla is a small, solitary cactus species characterized by its spherical green stems, which can reach 4 to 6 cm in diameter. It has short, beet-like roots. The plant features 15 to 27 ribs divided into tubercles. Its elongated areoles start out yellow and turn white over time. Each areole usually has a prominent central spine and 15 to 22 marginal spines that begin yellow and later turn white. These spines are delicate, mostly straight, and measure 5 to 10 mm in length. The flowers are orange-red, up to 3 cm long. The fruits are bright green and about 5 to 7 mm in diameter. Distribution Aylostera flavistyla is native to Eustaquio Méndez, Tarija Department, Bolivia and typically grows in desert or dry scrubland environments.
Taxonomy It was first described in 1978 as Rebutia flavistyla by German botanist Friedrich Ritter. The name flavistyla comes from Latin referencing the yellow-colored style of the flower. In 2011 botanists Stefano Mosti and Alessio Papini reclassified it into the genus Aylostera, renaming it Aylostera flavistyla. The name is synonymous with Rebutia flavistyla.
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