Contr. Tasmanian Orchid. 4 (Austral. Orchid. Res. 3) 77 (1998) APNI
Flowering plant moderately stout, 10–40 cm tall. Leaves 1–3, linear to lanceolate, channelled, 10–30 cm long. Flowers (1–)2–4(–6), yellow, with reddish brown and purplish suffusions; pedicel (excluding ovary) 2–4 cm long, slender, partly enclosed within bract; dorsal sepal projected forward then curved upwards, broad and rounded, 9–15 mm long, shorter than petals and lateral sepals, tip slightly pointed; lateral sepals deflexed, usually parallel (but sometimes crossed), linear, 12–22 mm long, with oblique, blunt tips, stoutish, green; petals obliquely erect or spreading, 15–25 mm long, shortly clawed, lamina ovate or elliptic. Labellum projected forward or deflexed, dark reddish brown, purple and yellow blended together, 10–14 mm long, 3-lobed; lateral lobes nearly as long as mid-lobe, broadly oblong, asymmetric, margins entire; mid-lobe wedge-shaped, strongly folded, apex rounded, emarginate; callus ridge single, narrowing and merging with keel near midway. Column wings about same height as anther. Flowers usually Sep.–Nov.
CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HNF, HSF, NIS, OtP, OtR, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. Also SA, NSW, Tas. Locally common in light forest and heathlands across southern Victoria with isolated records from the north-east.
Hybridizes sporadically with Diuris behrii, D. chryseopsis, D. palustris, D. pardina and D. sulphurea.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||native|
|Central Victorian Uplands||present||native|
|Northern Inland Slopes||present||native|
|East Gippsland Lowlands||present||native|
|East Gippsland Uplands||present||native|
|New South Wales|