Diuris gregaria D.L.Jones

Leaves 3–7, 50–100 × 1–2 mm, straight. Flower stem 60–200 mm, 1–3-flowered. Flowers often not opening widely, semi-nodding, 15–20 mm across, golden to orange yellow, with central dark streaks. Dorsal sepal obliquely erect, 7–12 × 6–8 mm. Lateral sepals obliquely deflexed below labellum, 10–16 × 1.5–2.5 mm. Petals horizontal or drooping; stalk 3–4 mm long, green; blade ovate, 6–10 × 3.5–6 mm. Labellum 10–15 mm long; lateral lobes 2–3 × 1.5–2 mm, papillate, toothed; midlobe broadly ovate, 7–10 × 7–11 mm. Callus ridges 2, 6–8 mm long, densely papillate, orange.

Highly localised; growing in grassland dominated by kangaroo grass and forbs and also among rocks on basalt outcrops in heavy, red-brown to blackish loam.