Aylostera Spegazzinii (1923)

overgrown flower tube (a characteristic that separates them from Rebutia)
dwarf cactus, globular, usually somewhat extended (Rebutia are more oblate)
adult plants are strong sprouting and form large cushions
flowers usually in half-body height, not at the base or head
flower tube is externally covered with hair and bristles

 Highslide JS
 

Distribution

 north-Argentinia - Tucuman
south-Bolivia - La Paz, Cochabamba, Oruro
in the higher Andean valleys at altitudes of 1000–4500 m (3280–14765 ft)

Growth period

 sunny and breezly, avoid excessive heat and blazing sun
temporarily stay in the open air possible
temperature differences between day and night are conducive
sufficient moisture and humidity, especially in heat
pour in the spring after the buds begin to approach

Winter period

 very bright and dry at 6–12°C (43 to 53°F)

Substrat

 nutritious, average porous cactus soil
   
Aylostera albiflora (F. Ritter) C. Backeberg (1963)
 
Highslide JS
   Highslide JS   Highslide JS
         

Habitat

Bolivia
north of Tarija - Rio Pilaya

Description

white flowering Aylostera
very small and delicate, only 2,5 cm (1 in) Ø, by budding, forming groups
ribs broken into distant cusp
areoles yellowish
20 spines, tiny; 5 of it, central spines, brownish at the base
flowers about 2,5 cm (1 in) Ø, white with pink middle stripe, tube white bristly
fruits green
seeds shiny black, dotted
very rich flowering, but even sterile

Synonyms

 Rebutia pulvinosa ssp. albiflora (F. Ritter) Hjertson (2000)
Rebutia albiflora F. Ritter & A. F. H. Buining (1963)

CITES

 Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

↑
www.Kakteensammlung-Holzheu.de