Common name: Slaty Helmet Orchid
Corybas incurvus D.L.Jones & M.A.Clem. APNI*
Synonyms: Corysanthes incurva (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. APNI*
Description: Terrestrial herb.
Leaf 15–30 mm long, 15–25 mm wide, upper surface green, lower surface pellucid.
Flower erect, dark purple and white, 15–22 mm long. Dorsal sepal oblong-spathulate, cucullate, 18–22 mm long, 12–14 mm wide, greenish grey with purple striations. Lateral sepals linear, c. 5 mm long, c. 0.5 mm wide, fused at the base. Petals linear, c. 3 mm long, c. 0.5 mm wide, apex often 2-fid. Labellum tube about as long as the lamina; lamina ovate, 10–15 mm long, 10–15 mm wide, the margins incurved, entire or finely toothed; boss white, conspicuous, upper margins notched, lower surface with hispid teeth; auricles deflexed, the opening c. 1.5 mm across.
Distribution and occurrence: Grows on sheltered slopes and gullies in sclerophyll forest; south of Cowra.
NSW subdivisions: CWS, SWS
Other Australian states: Vic. Tas. S.A.
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.