It is an erect annual plant that grows from 7 to 11 cm tall.

Orbicular leaves, about 4-10 per plant, form basal rosettes.

This species generally has one or two scapes and cymose inflorescences that are 7–11 cm long.

S. simulans is endemic to the Arnhem Land plateau in the Northern Territory of Australia, but not much more is known about its distribution as it is only known from around its type location.

Its reported habitat is in shallow sandy soils on a sandstone plateau.