Plants forming willowy or grassy clumps. Stems long and narrow, without pseudobulbs, 300–500 × 15–20 mm, capable of extended growth over a number of years, basal parts covered with overlapping fibrous leaf bases. Leaves strap-shaped, 4–8 per stem, flat, 300–450 × 15–20 mm, dark green, thin-textured. Racemes arching to pendulous, 100–300 mm long, 5–50-flowered. Flowers 23–35 × 20–30 mm, light green to dark green or brownish green, sometimes blotched. Sepals and petals mostly spreading. Dorsal sepal 12–15 × 5–6 mm. Lateral sepals 12–15 × 5–6 mm. Petals 8–11 × 5–6 mm. Labellum 8–11 × 7–8 mm, obscurely 3-lobed; lateral lobes shallow; midlobe as broad as basal part (northern populations) or narrower (southern populations), without any ridges.
Widespread and common in moist to wet humid forests and woodlands of coastal and near-coastal districts, but in some areas also extending inland to ranges and tablelands. Grows in older trees that have decaying heartwood and hollows in trunks and branches. Also colonises logs and old stumps left in forests after logging and in cleared paddocks. Seedlings frequently germinate in cracks and damaged areas on decaying logs and stumps, eventually becoming established plants unless killed by fire. Host trees are mainly eucalypts, including boxes, ironbarks and smooth-barked gums, but occasional plants are found on other species such as paperbarked melalucas, forest sheoak and saw banksia (Banksia serrata).
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