Corunastylis archeri

Flowering plants 10–20 cm tall. Leaf lamina appressed to peduncle below the lowest flower. Inflorescence 1.5–3 cm long, moderately dense. Flowers 5–15, yellowish green with purplish suffusions and stripes, 4.5–5 mm across, porrect or nodding; perianth segments spreading widely; dorsal sepal ovate, 4–4.5 mm long, c. 2 mm across, margins hairless, entire, apex acuminate; lateral sepals divergent, linear-lanceolate, 5–5.5 mm long, c. 1.5 mm wide, margins hairless, slightly pouched at base; petals ovate, 3–4 mm long, c. 1.5 mm wide, margins hairless, entire. Labellum broadly ovate, 3–3.5 mm long, 1.6–2 mm across, margins with coarse cilia to 1 mm long, apex pointed, recurved; callus narrow-ovate, extending nearly to the labellum apex. Column wings densely scabrous. Flowers Nov.–Mar.