Leaf 60–100 × 3–5 mm, with stiff bristly hairs. Flower stem 100–300 mm tall, 1-or 2-flowered. Flowers 20–30 mm across, yellowish green with red stripes, sometimes wholly reddish, mauve or crimson; sepals and petals with long, thin points (usually no clubs, sometimes a small cluster of glands). Dorsal sepal erect or recurved, 18–22 × 3 mm. Lateral sepals obliquely deflexed to decurved, 18–22 × 3.5–4 mm, nearly parallel. Petals similarly arranged, 17–20 × 2 mm. Labellum 9–11 × 8–9 mm, heart-shaped, green, yellow or reddish with red stripes, or wholly red; margins entire or with 2 or 3 pairs of short teeth; tip projecting with thickened, blackish margins. Basal calli 4, c. 1.6 mm long, erect. Lamina calli to 1 mm long, purple to black, shiny, in 2 or 4 crowded rows in basal half of labellum. Column 8–9 × 4.5 mm, transparent with red markings; basal glands c. 2 mm long, narrowly club-shaped, yellow with a red base.
Widespread and often common; mainly inland but also near-coastal in some parts, growing in a wide range of heathy, shrubby and forested habitats, including Callitris woodland and mallee communities, in freely draining sands and loams.
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