Diuris orientis

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Common Name:

Wallflower Orchid

Family:

Orchidaceae

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
Map - Australasian Virtual Herbarium

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

Among grass in sclerophyll forest 1

Flower Description:

Yellow, brown and mauve 1

Habit:

Terrestrial orchid 1

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 leaves 2

Images:

Image: David Meagher
Image: Gill Brown

Links to more images:

Atlas of Living Australia MELU

Links to description of this species:

NSW Flora VicFlora

Conservation status:

Not threatened

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.