Diuris orientis

Common name: 

Wallflower Orchid

Family: 
Distribution (from Flora of Victoria):

Wannon, Grampians, Midlands, Victorian Volcanic Plain, Otway Plain, Otway Range, Eastern Highlands, Gippsland Plain, Wilsons Promontory, Snowfields, East Gippsland (CDEHJKNPRSTVWXZ) also WA, SA, NSW, Tas

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Distribution and ecological preference at Wilsons Promontory (if known):

Among grass in sclerophyll forest1

Flower description:

Yellow, brown and mauve1

Habit:

Terrestrial orchid1

Distinguishing characteristics (within family/genus):

The dorsal sepal is ovate and wider than it is long, lateral sepals are long and narrow. This species can be distinguished from the other two Diuris species that have yellow flowers with brown blotches and are found at the Prom by the pattern of blotches. Diuris pardina has large red-brown blotches around the edges of the petals and sepals, D. sulphurea has smaller dark brown blotches, smaller lateral sepals and narrower and longer leaves2

Images:
Image of Diuris orientis
Image of Diuris orientis Image: David Meagher
Image of Diuris orientis Image: Gill Brown
Conservation status:

Not threatened

Other comments:
Listed in Flora of Victoria (1994) as Diuris corymbosa
References:

1 The Royal Botanic Gardens and Domain Trust (October, 2014). PlantNET - The Plant Information Network System of The Royal Botanic Gardens and Domain Trust, Sydney, Australia. http://plantnet.rbgsyd.nsw.gov.au
2 Meagher, D. and Kohout, M. (2001). “A field guide to Wilsons Promontory”. Oxford University Press, South Melbourne, Vic.