Thelymitra basaltica

Flowering stem erect, straight, 10–30 cm tall, 1.5–3.3 mm diam., green to purplish, usually shorter than leaf. Leaf linear to linear-lanceolate, attenuate, 12–30 cm long, 5–15 mm wide, very fleshy, canaliculate, ribbed abaxially, sheathing at base, dark green with a purplish base. Inflorescence 2–8-flowered, open. Sterile bracts 1, rarely 2. Perianth segments lanceolate to ovate, 6–11 mm long, pale blue to pale purplish blue. Column slender, 4–6.5 mm long, pale blue; mid-lobe expanded into hood over the anther, tubular, slightly inflated, curved gently forward, yellow with a reddish brown collar, apex entire to shallowly bilobed; lateral lobes converging 0.8–1.3 mm long, digitiform, porrect at base then bent upwards sharply near the middle at c. 90 deg., each with a toothbrush-like arrangement of white hairs embracing the apex of the mid-lobe. Anther inserted about mid-way along column, shortly beaked. Flowers Sep.–Oct.