The obconical, flattened, "pill-shaped" ("piluliforme") head is small (less than 5mm across the fissure) and has sparse or no lines on it.

Conophytum piluliforme subspecies edwardii differs in having a more keeled body shape.

They inhabit extremely well-drained soil, in spots protected by rocks or bushes.

[2] It is closely related to its neighbouring species Conophytum joubertii which is a similar small size (less than 5 mm x 5 mm), but has a more convex or cylindrical shape to its bodies, and has cream or white flowers.

Conophytum truncatum has more strongly flattened, truncated bodies, and spots that are scattered randomly (not in lines).