Thelychiton gracilicaulis—Tiger Orchid—ORCHIDACEAE.

Thelychiton gracilicaulis

Link to Images on Flickr.

Habitat— Grows on rainforest trees and also occasionally on rocks.

Distribution—North from the Hawkesbury River in New South Wales into Queensland.

Description— Epiphyte or occasionally an epilith, with stems erect to spreading, succulent, cylindrical, tapering towards the base, rooting only at the base, 20 to 60 cm long, 5 to 10 mm diam., with 3 to 6 leaves at apex; roots smooth, creeping.

Local occurrences

Barrington/Gloucester Tops, Black Head, Booti Hill, Cape Hawke, Coocumbac Island and Wingham Brush.

Leaves.— Spreading to erect, elliptic, 5 to 13 cm long, 20 to 40 mm wide, conduplicate, thin, smooth

Thelychiton gracilicaulis
Thelychiton gracilicaulis

Inflorescence.— 5 to 12 cm long, 5 to 30—flowered. Sepals and lateral petals deep dull yellow with dense reddish blotching on the outside; dorsal sepal 7 to 10 mm long, 3 to 4 mm wide; labellum dull yellow, 7 to 8 mm long, 5 to 6 mm wide. Column c. 3 mm long; column foot c. 5 mm long.

Flowering.—July to September.