Drosera rupicola is endemic to the granite outcrops of the Western Australian Wheatbelt region where it grows in the wettest patches of loam atop a granite base. These gigantic rock surfaces are hotspots for Drosera, deflecting and concentrating the winter rains around their base. The large plants have sprawling octopus like stems adorned with oval shaped leaves. A profusion of white flowers emerge as the plants break dormancy towards the end of winter. These features unite it with other species within the diverse Stolonifera complex.
Drosera rupicola shares its long-armed sprawling morphology with D. stolonifera, humilis and prostrata. Its niche in the outcrops of the interior Wheatbelt does not overlap with the other species. It can be distinguished by its particularly robust stems and leaves.