Thelychiton speciosus—Rock Orchid—ORCHIDACEAE.

Link to Images on Flickr.

Habitat—Usually grows on rocks in sclerophyll forest, particularly on sandstone, occasionally on rainforest trees; chiefly in coastal districts.

Distribution—North from Victoria to Bulahdelah, inland to upper Hunter Valley in New South Wales.

Description— Epilith or rarely epiphyte with stems erect to spreading, succulent, thickest near base and tapering markedly towards apex, rooting only at the base, 8 to 40 cm long, 20 to 60 mm diam., with 2 to 5 leaves at apex; roots smooth, creeping.

Local occurrences

Bulahdelah State Forest, Coorabakh National Park, Ellenborough Falls, Myall Lakes National Park, Raintrees Diamond Beach, Royal Botanic Gardens Sydney, Talawahl Nature Reserve, Tapin Tops National Park, The Cape Hawke Complex Booti Booti National Park, Wingham Brush Nature Reserve and Woko National Park.

Leaves.—Spreading to erect, elliptic to oblong, 4 to 25 cm long, 20 to 80 mm wide, conduplicate, thickly leathery, smooth

Inflorescence.—20 to 70 cm long, 20 to 115-flowered. Sepals and lateral petals white to deep dull yellow; dorsal sepal 20 to 40 mm long, 3 to 6 mm wide; labellum white to deep dull yellow, finely dotted and striped with dark purple, 9 to 13 mm long, 9 to 13 mm wide. Column 4 to 6 mm long; column foot 5 to 8 mm long.

Flowering.—August to October