Plants often form crowded tufts; leaves 2–5, often thread-like, 50–120 × 1–1.5 mm wide. Flower stem 80–300 mm tall, 1–3-flowered. Flowers 8–11 mm across, yellow with red to brown markings on dorsal sepal, petals (sometimes uniformly yellow) and labellum. Dorsal sepal 7–10 × 3.5–5.5 mm, red to brown basal blotch and smaller apical blotch usually prominent, marginal blotches often also present. Lateral sepals obliquely deflexed below labellum, parallel or crossed, 8–13 × 1–3 mm. Petals obliquely erect; stalk 3–5 mm long, red-brown; blade 6–9 × 4–8 mm. Labellum 7–10 mm long; lateral lobes 3.5–6 × 2–3 mm, widely divergent, red to brown basal blotch prominent; midlobe convex, margins strongly downcurved, wedge-shaped when flattened, 6–9 × 7–11 mm, outer margins often heavily marked with red to brown. Callus ridges 2, 2.5–3.5 mm long.
Widely distributed and often locally abundant; growing in shallow soils in a wide range of seasonally moist habitats including heath, white gum flats, margins of winter wet swamps and moss pads on the margins of granite outcrops.
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