Aylostera violaceostaminata was first described (as Lobivia pygmaea var. violaceostaminata) by Walter Rausch in Lobivia 85:116 (1987).

The description is given below in the original German and Latin text, together with my own translations in English.

Lobivia pygmaea var. violaceostaminata

Walter Rausch

Epidermis braun‑violett, Dornen gelb bis braun, Blüte rot‑orange mit violetten Staubfäden.
Fundort in tieferen Lagen bei Cueva.

Lobivia pygmaea (Fries) Backeberg var. violaceostaminata Rausch var. nov.
Simplex, globosa, ad 20 mm diametiens, glauca, fusco‑violaceo‑suffusa, radice rapiformi; costis 10–12, recte adscendentibus vel paulum tortis; areolis ovalibus, ad 1 mm longis, 1–2 mm inter se distantibus, clare‑fusco‑tomentosis; aculeis marginalibus 11–13, accumbentibus et inter se contextis, ad 5 mm longis, flavidis, basi incrassata fuscis; aculeis centralibus 0–3, brevioribus, subulatis, fuscis.Floribus 25 mm longis et 30 mm diametientibus, ovario et receptaculo olivaceo, squamis fuscis et pilis albis tecto; phyllis perigonii exterioribus lanceolatis, roseis, medio‑fusco‑striatis;phyllis perigonii interioribus rotundis et serratis, aurantiacis, extus medio‑rubido‑striatis; fauce viridi‑alba, filamentis violaceis, apice flavis, stylo cum receptaculo connato, viridulo‑albo, stigmatibus 6 viridibus. Fructu globoso, 5 mm diametiente, rubente‑fusco, lana alba tecto. Seminibus typi modo.
Patria: Bolivia, Cinti australis apud La Cueva, 3.300 m alt.
Typus: Rausch 742.

Translation:

Epidermis brown-violet, spines yellow to brown, flower red-orange with violet filaments.
Found at lower elevations near Cueva.

Lobivia pygmaea (Fries) Backeberg var. violaceostaminata Rausch var. nov.

Simple, globose, up to 20 mm in diameter, glaucous, dark purple-suffused, with a rapiform root; ribs 10–12, straight ascending or slightly twisted; areoles oval, up to 1 mm long, 1–2 mm apart, light brown tomentose; marginal spines 11–13, acuminate and interwoven, up to 5 mm long, yellowish, with a thickened brown base; central spines 0–3, shorter, subulate, brown. Flowers 25 mm long and 30 mm in diameter, ovary and receptacle olive, covered with brown scales and white hairs; outer perianth lanceolate, pink, medium-dark-striated on the outside; inner petals round and serrated, orange, medium-red-striated on the outside; green-white throat, violet filaments, yellow apex, style connected to receptacle, greenish-white, stigmas 6 green. Fruit globose, 5 mm in diameter, reddish-dark, covered with white wool. Seeds typical of species.
Found at: Bolivia, Sud Cinti at La Cueva, 3,300 m altitude.
Type: Rausch 742.