Description: Sulcorebutia gerosenilis is one of the local form of the very variable Rebutia canigueralii subs. crispata.
Sulcorebutia gerosenilis and Sulcorebutia hertusii are synonyms and the two are exactly the same.
Similar species: Sulcorebutia gerosenilis is almost identical and not easily separable by any character from the standard hertusii, if not for the geographical provenance.
Habit: It is a slow growing clustering cactus that may forms large mound of many heads and these are practically level with the soil in habitat.
Stem: Rapidly offsetting from the base, small, grey-green, green to dark purple. A characteristic of this species is that the offsets often develop roots while still attached to the mother. Individual stems 2(-4) cm tall, 3(-5) cm in diameter.
Ribs: With raised tubercles (3-5 mm wide). In older plants tubercles are arranged in up to 13(-16) spiral line merging in the apex.