Thelymitra nuda

Flowering stem erect, straight, 15–50 cm tall, 1.2–3.5 mm diam., green to purplish. Leaf linear to linear-lanceolate, attenuate, 10–25 cm long, 5–12 mm wide, fleshy, canaliculate, ribbed abaxially, sheathing at base, green with a purplish base. Inflorescence (1–)3–8(–12)-flowered, loose. Sterile bracts usually 2, rarely 1 or 3. Perianth segments lanceolate to ovate, (8–)11–15(–18) mm long, dark blue to purplish, rarely pink or white. Column slender, 5–6.5 mm long, pale purplish or pink; mid-lobe hooding the anther, tubular, inflated, gently curved through c. 90 deg., dark brown to blackish, apex emarginate or shallowly v-notched, yellow; lateral lobes converging 1.2–2 mm long, digitiform, porrect at base, bent sharply upwards near the middle at c. 90 deg., each with a toothbrush-like arrangement of white hairs almost along their entire length, terminating in front of mid-lobe. Anther inserted near middle of column, shortly beaked. Flowers Oct.–Dec.