Citation: Rupp, Victorian Nat. 60:176 (1944).

Synonymy: Not Applicable

Common name: Bidwell sun-orchid.

Description:
Slender to robust species, stem 20-50 cm high, green; single leaf thick, narrow-lanceolate, 9-20 cm long, channelled, sheathing; stem bracts 2, leaf-like, 5-8 cm long with one smaller bracteole at each flower.

Flowers 3-20, 2-3 cm diam., blue (in S. Aust.) inside, greenish outside; sepals usually more greenish than the petals, all more or less lanceolate; dorsal sepal sometimes broader than the other segments; labellum resembling other segments but a little shorter and less acute; column without any hood, very abruptly truncate behind, at or below the base of the anther, but with an erect oblong lateral wing, yellow or orange-coloured on either side, its margins minutely denticulate or crenulate except on the anterior side; post-anther lobe is the shortest, with a conspicuous orange band just below the summit; the side-lobules erect, oblong, dentate or crenulate, yellow, exceeding the column-arms but not the cilia in height; column-arms erect, oblong-ovoid, yellow with large pale-yellow hair-tufts which exceed the column; anther with a long filiform point, acute or obtuse, scarcely as high as the column wings and conspicuously lower than the hair-tufts; pollinia loose and friable, soon falling onto the stigma.

Distribution:  Found in peat bogs amongst sedges and rushes.   ?Qld; N.S.W.; Vic.; Tas. Conservation status: native Flowering time: Dec.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: The species closely resembles T. circumsepta Fitzg. from N.S.W. and Vic. from which it differs in not having the front of the column produced into a ciliated spur.

Author: Not yet available