Genoplesium nigricans

Mallee midge orchid
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Diurideae
Genus: Genoplesium
Species:
G. nigricans
Binomial name
Genoplesium nigricans
Synonyms
  • Corunastylis nigricans (R.Br.) D.L.Jones & M.A.Clem.
  • Prasophyllum nigricans R.Br.
  • Corunastylis fuscoviridis (Reader) D.L.Jones & M.A.Clem.
  • Corunastylis tepperi (F.Muell. ex Tepper) D.L.Jones & M.A.Clem.
  • Prasophyllum fuscoviride Reader
  • Prasophyllum horburyanum Rupp
  • Prasophyllum tepperi F.Muell. ex Tepper

Genoplesium nigricans, commonly known as mallee midge orchid, is a species of orchid endemic to Australia. It is a terrestrial herb with a single leaf mostly surrounding the stem, and up to 50 tiny, greenish flowers with a deep maroon-coloured labellum and often have a fruity fragrance. Australian authorities use the name Corunastylis tepperi, a widespread species which has been confused with Corunastylis nigricans, a species with purplish brown flowers and which only occurs on Kangaroo Island and the Eyre Peninsula.