Rosette leaves 4–11, ovate to elliptic, 15–40 x 5–15mm. Flower stem 150–45 tall, 1.5– across, 1–9-flowered. Stem bracts 6–7. Flowers porrect to semi-erect, 20–23 x 11–13mm, bright green with transparent patches, shiny, tips of lateral sepals brownish (rarely flowers wholly brownish). Dorsal sepal point acuminate, 2– long, upcurved. Lateral sepals strongly reflexed against ovary, wider than hood, flat, glabrous, back humped, gradually tapered into free points; free points 2– long, margins incurved, widely divergent. Petals with small basal flanges, 12–13 x 5–6mm. Labellum obovate, 4.5–5 x 3–4mm, dark brown or blackish, blunt, fleshy, deeply channelled; marginal bristles 4–8, 1– long, basal pair prominent; basal lobe thick, sloping backwards, with numerous small hairs and bristles.
Highly localised; Milbrodale population grows in ironbark and Callitris forest in freely draining sandy loam, whereas southern populations grow among grass and low shrubs in open forest in poorly drained soils, sometimes under tall paperbarks. Historical
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