Drakaea isolata, commonly known as lonely hammer orchid, is a species of orchid endemic to the south–west of Western Australia. It is pollinated by a single species of male thynnid wasp using sexual deception. The orchid's labellum is similar in shape and scent to a flightless female thynnid wasp. It is known from only one population and has been declared "endangered" by the Australian government and "threatened" by the government of Western Australia. It was first collected in 1984 by Robert J. Bates. No other Drakaea species is found it the same area but the broad-billed duck orchid (Paracaleana triens) is found nearby.

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