|Donkey Orchids Quick Facts|
|Scientific Name:||Diuris semilunulata|
Diuris semilunulata is a perennial, terrestrial and geophytic herb with filamentose roots having naked, ovoid or cylindrical and paired tubers. Leaves are linear, basal, grass like, 15–25 cm long and 3–4 mm wide. Scape is 3 to 5 flowered, loose raceme and 20-35 cm high. Flowers are orange, hermaphroditic, heavily blotched or suffused with purple and brown. Dorsal sepal is erect, ovate measuring 6-10 mm long and 7-10 mm wide. Petals are ovate to obovate about 5–11 mm long by 4–9 mm wide. Labellum is 4-8 mm long. Fruit is a dehiscent, non-fleshy capsule that contains 30 to 500 minute, light-dark colored and winged seeds.
Aborigines consume starch tubers.