Flowering plant 6–15 cm tall. Leaf narrow-linear, 10–20 cm long, 2–5 mm wide. Flowers 1 or 2; perianth segments 1–2.5 cm long, flat in basal half, margins inrolled in distal half, greyish white, sometimes with darker stripes, not spreading widely; dorsal sepal 1.2–2.5 cm long, 1.5–2.5 mm wide, incurved; lateral sepals 1.2–2.5 cm long, 2–3 mm wide, obliquely deflexed; petals 1–2 cm long, 1–2 mm wide, obliquely erect to horizontal. Labellum 6–8 mm long, 6–7 mm wide (when flattened), cream with reddish stripes breaking up into spots and blotches; margins with short blunt teeth, apex recurved, lamina calli in 2 rows, anvil-shaped. Flowers Sep.–Oct.
Brid. Also WA, SA. Known from a single locality in the Discovery Bay Coastal Park in coastal scrub on sand over limestone.
Although the entire population is within a conservation reserve, due to low numbers the species must be regarded as endangered in Victoria.
