Aylostera tuberculata description


Lobivia (Aylostera) steinmannii var. tuberculata (tuberculata) was first described by Walter Rausch in Lobivia 85, pp. 129 and 145, in 1987.

Here is the text of the description, in Latin as published, with my own English translation below.

Lobivia steinmannii (Solms‑Laub.) Backbg. var. tuberculata Rausch var. nov.

Simplex vel paulum proliferans, globosa, 15 mm diametiens, clare‑viridis, radice rapiformi; costis 12, rectis, crenis transversis in gibberes 3 mm longos et latos divisis; areolis ovalibus 2 mm longis, albo‑tomentosis; aculeis marginalibus 10–11, divaricate‑patentibus, 5 mm longis, vitreo‑albis, basi incrassata spadiceis; aculeo centrali 0. Floribus 35 mm longis et diametientibus, ovario et receptaculo roseo, squamis fuscis et lana alba tecto; phyllis perigonii exterioribus lanceolatis, roseis medio‑fusco striatis et acuminatis; phyllis perigonii interioribus rotundis, tenui‑acuminatis, rubris et intus albidis; fauce albida, filamentis clare roseis, stylo et stigmatibus viridibus. Fructu seminibusque Lobiviae steinmannii (Solms-Laub.) Backbg. modo.

Patria: Bolivia, Cinti meridionalis, in pago La Cueva.

Typus: Rausch 743.

English translation

Lobivia steinmannii (Solms‑Laub.) Backbg. var. tuberculata Rausch var. nov.

Single to branching a little, spherical, 15mm in diameter, light green, tap-rooted; 12 ribs, straight, with transverse grooves dividing tubercles 3mm long and the same wide; areoles oval, 2mm long, with white wool; 10 – 11 marginal spines, spreading open, 5mm long, glassy white with a light brown thickened base; no central spines. Flowers 35mm long and the same wide, ovary and receptacle pink with brown scales and white wool; outer petals lanceolate, pointed, pink with a darker central stripe; inner petals rounded, with a small point, red and whitish on the inside; throat whitish, anthers light pink, style and stigmas green. Fruit and seeds as for Lobivia steinmannii (Solms-Laub.) Backbg.

Habitat: in the village of La Cueva, Sud-Cinti, Bolivia.

Type: Rausch 743.