Darwinia biflora is a plant in the myrtle family Myrtaceae and is endemic to New South Wales. It is an erect, often straggly shrub with flattened, glabrous leaves, and flowers which are arranged in pairs. The flowers are greenish in colour but each is surrounded by two purple-red bracteoles and have a long yellow-green style projecting out of the flower tube. The species only occurs in the Sydney region in a few places where shale-capped ridges intergrade with Hawkesbury sandstone.

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