Pterostylis macrosceles, commonly known as the slender rufous greenhood is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. Both flowering and non-flowering plants have a relatively large rosette of leaves. Flowering plants also have between four and eight white flowers with green brown lines and small, insect-like labellum. It is distinguished from other Western Australian greenhoods by the unusually long thread-like tips on its sepals.

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