Phil Bendle Collection:Microtis unifolia (Common Onion Orchid)

Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Diureae
Subtribe: Prasophyllinae
Genus: Microtis
Species: Microtis unifolia   
Synonyms: Microtis porrifolia
Common name: Common Onion Orchid

Microtis unifolia is a slender to robust terrestrial tuberous herb, usually 20–60 cm high with a single tubular leaf  8–60 cm long.  The flower stem emerging from within the leaf about one third to halfway up the leaf. 
The flower stem can go up to a meter high. This stem can have 5 - 40 flowers per raceme and are numerous and closely spaced. The 3cm wide flowers are green to yellow-green in colour and are dorsal sepal hooded with a pointed tip. The lateral sepals curled backwards. The labellum is irregular oblong with a very coarse edge. It is narrowest at its mid-length. The stigma is not wider than the column. It flowers September to December and is common and found growing in rough grassland.

Photographed November with stalk and flower raceme
[1]

Microtis unifolia raceme

[2]

The small 3 mm flower

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/    

---