Regarded by some as a form of Aylostera deminuta or Aylostera pseudodeminuta. As the name implies, the spines on this species are strong (for an Aylostera), long and straight and projecting out from the body. Flowers are orange-red. Smaller bodied versions are sometimes described as “var. minor”.

The description is here.

Plants of this species in the collection include:

Aylostera robustispina FR763

Aylostera robustispina KK597

Aylostera robustispina MG1208.2

Aylostera robustispina RH1059

Aylostera robustispina RRM43

Aylostera robustispina SE141

Aylostera robustispina var. minor WR655