''Aylostera'', is a genus of

cactus A cactus (, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word ''cactus'' derives, through Latin, from the Ancient Greek ...

, native to central Bolivia and north western Argentina. It was published in Anales Soc. Ci. Argent. vol.96 on page 75 in 1923. It was once thought to be a synonym of ''

Rebutia ''Rebutia'' is a genus of flowering plants in the family cactus, Cactaceae, native to Bolivia and Argentina. They are generally small, colorful cacti, globular in form, which freely produce flowers that are relatively large in relation to the bod ...

''. The

phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

relationships in ''Aylostera'' was studied in detail by Ritz et al. (2016) based on the plastid DNA regions atpB-rbcL and trnS-trnG as well as AFLPs and morphological characters. ''Aylostera'' was confirmed as monophyletic and as distantly related to the clade that contains the type species of ''Rebutia'' , thus justifying recognizing ''Aylostera'' as a separate genus.

Species

There are 9 accepted species;

References

Cactoideae Endemic flora of Bolivia Flora of Northwest Argentina Taxa described in 1923 Cactaceae genera {{Cactus-stub