Description - from Wikipedia

Drosera trinervia is a species in the carnivorous plant genus Drosera that is endemic to the Cape Provinces of South Africa. It was first described by Kurt Polycarp Joachim Sprengel in his 1820 work Neue Entdeckungen im ganzen Umfang der Pflanzenkunde.

See also
List of Drosera species
Taxonomy of Drosera

References
External links
Media related to Drosera trinervia at Wikimedia Commons

Obermeyer, A. A. 1970. Droseraceae. In L. E. Codd, B. De Winter, D. J. B. Killick, H. B. Rycroft [eds.], Flora of Southern Africa, vol. 13: 187–201. Department of Agricultural Technical Services, Pretoria.