Stylidium perizoster is a species of dicotyledonous plant in the family Stylidiaceae.

The linear leaves, about 8–12 per plant, are mostly in terminal rosettes but with some scattered along the elongate, glabrous stem.

Inflorescences are around 9 cm long and produce a single white, yellow, and orange flower.

S. perizostera is endemic to the Kimberley region in Western Australia and ranges from the Mitchell Plateau to Bigge Island.

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