Fenestraria rhopalophylla is an evergreen mat forming geophyte, mainly subterranean with just the tips of the leaves appearing above the soil.
Fenestraria is a monotypic genus comprising only one specie and one subspecies.
On each leaf of this plant there is a transparent window-like area at the top, it is for these window ( in Latin “fenestra”) that the genus name is derived from.