Pterostylis petrosa D.L.Jones & M.A.Clem. 1993 SECTION Oligochaetochilus Photo by © John Varigos and his Flicker Orchid Photo Website

Part shade Cold Winter THROUGHSpring

Common Name The Rock Pterostylis [A town in the Riverina region of southern New South Wales]- The Riverina Rustyhood

Flower Size 1.2 to 1.52" [3 to 3.8 cm]

Found in southern New South Wales in sparse forests on a few isolated hills within rock crevasses and on leadges in well draining soils at elevations of 250 to 400 meters as a mini-miniature to miniature sized, cold growing terrestrial with 6 to 10 leaves that blooms in the winter through spring on an erect, 3.6 to 6" [9 to 15 cm] long, 1 to 8 flowered inflroescence carring flowers that project forward.

Synonyms Oligochaetochilus petrosus (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. 2002

References W3 Tropicos, Kew Monocot list , IPNI ; Native Orchids of Australia Jones 2006 as Oligochaetochilus petrosus photo fide;

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