Leaf 40–100 × 5–10 mm. Flower stem 100–250 mm tall, 1-or 2-flowered. Flowers 30–40 mm across, resembling a reclining spider, greenish yellow heavily suffused with reddish pink; sepals and petals with short reddish filamentous tips (no clubs). Dorsal sepal and petals held close together almost as a unit, recurved behind column then upswept. Dorsal sepal 30–40 × 3–4 mm. Lateral sepals curved downwards in basal half then upswept, 30–40 × 4–5 mm. Petals 25–35 × 3–3.5 mm. Labellum prominent in centre of flower, hinged with a long, narrow base; labellum lamina 14–16 ×14–16 mm, diamond-shaped, reddish with prominent, yellowish, longitudinal stripes, margins entire, apex decurved. Calli clubbed, to 2.5 mm long, red with yellow stalks, in dense central band. Column horizontal in basal two-thirds then upcurved, 10–12 × 8–9 mm, broadly winged, translucent with reddish markings; basal glands absent.
Widespread and locally common; often growing in sheoak thickets on slopes above streams, but also in woodland, yate communities and around granite outcrops; usually in freely draining sands, laterite and loams.
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