Drosera ramellosa is a species of carnivorous plant in the family Droseraceae. It is sometimes referred to as the branched sundew, and is a tuberous perennial species that is endemic to Western Australia. It was first formally described by Johann Georg Christian Lehmann in 1844. It was again described by Jules Émile Planchon as Drosera penduliflora in 1848, which was reduced to synonymy under D. ramellosa in 1864 by George Bentham.

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