Drosera erythrogyne is a scrambling or climbing perennial tuberous species in the genus Drosera that is endemic to Western Australia. It grows in soils that are peat-sand to loam and occurs in an area along the southern Western Australian coast west of Albany in swamps or near granite outcrops. It produces small leaves along a long, scrambling stem that can grow to 2–3 m (7–10 ft) long. White flowers emerge from August to October.