Tetraria octandra

Tetraria octandra is a sedge, which is native to the south-west of Western Australia.[4]

Tetraria octandra
Tetraria octandra male flowers
Tetraria octandra female flowers
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Tetraria
Species:
T. octandra
Binomial name
Tetraria octandra
Collections data from AVH
Synonyms[3]

Elynanthus octandrus Nees
Elynanthus revolutus Nees
Schoenus octandrus (Nees) F.Muell.
Tetrariopsis octandra (Nees) C.B.Clarke

Description

Tetraria octandra is a rhizomatous, tufted perennial, sedge which grows from 0.15 to 1.2 m high.[4] Its brown to black flowers may be seen from May to November.[4] It grows on white, grey or lateritic sand, loam, granite, graveland in swamps and on rocky hillsides.[4]

Distribution

It is found in the South-West Province of Beard's classification of ecological regions, or using the more recent IBRA region definitions, in Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, and Warren.

Taxonomy

This species was first described by Nees von Esenbeck in 1841 as Elynanthus octandrus.[5][6] In 1931, Georg Kükenthal reassigned it to the genus, Tetraria.[2][1]

References
  1. Kükenthal, G. (1931) Repertorium Specierum Novarum Regni Vegetabilis 29: 192
  2. "APNI Tetraria octandra". Australian Plant Name Index. Retrieved 2 August 2018.
  3. Govaerts, R. et. al. (2018) "Plants of the world online Tetraria octandra". Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 2 August 2018.
  4. "Florabase Tetraria octandra". Department of Biodiversity, Conservation and Attractions. Retrieved 2 August 2018.
  5. "APNI Elynanthus octandrus". Australian Plant Name Index. Retrieved 2 August 2018.
  6. Nees von Esenbeck, C.G.D. (1841) Characters of new Genera and Species of New Holland Cyperaceae, Restiaceae, and Juncaceae. The Annals and Magazine of Natural History, series 1 6: 48
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