Australian Tropical Rainforest Orchids

Corybas cerasinus

Red Helmet Orchid

Corybas cerasinus D.L.Jones & B.Gray, Orchadian 13(8): 341-342, f. (2001). Type: Queesland: Cook District; Mt Walker, 2 June1994, L.J. Roberts (D.L. Jones 13022) (holo CANB; iso BRI).


Occurs in north-eastern Queensland with a distribution from Cooktown to the Herbert River near Ingham and also on Dunk Island.

Altitude: 10-1000 m.


Terrestrial herb forming small colonies. Leaf solitary, prostrate, ground-hugging, basal, cordate, 1.2-2.5 cm x 1-1.4 cm, bluish green above, reddish or purplish beneath. Inflorescence terminal, single-flowered, sessile. Flower solitary, resupinate, erect, hooded, 9-13 mm x 5-9 mm, cherry red to dark maroon. Dorsal sepal free, incurved, hooded, porrect, ovate to oblong when flattened, 15-23 mm x 6-10 mm, apex apiculate, often upcurved. Lateral sepals much reduced, linear to narrowly triangular, 1.6 mm long. Petals much minute, linear to narrowly triangular, 1 mm long. Labellum unlobed, whitish, mostly hidden by dorsal sepal, margins sharply recurved with sparse tiny bristles. Column obliquely erect, c. 2.5 mm long, broadest at base. Column foot absent. Capsules erect, dehiscent.


Occurs in moist to wet forests on exposed ridges and in drier forests. It grows in well-drained sand and gravelly loam. Colonies are predominantly clonal and often have few flowering plants.


Flowering period: June-August.

Name Changes

Confused with Corybas neocaledonicus which is endemic to New Caledonia.

More about Corybas