Morelotia octandra

{{Short description|Species of sedge}}

{{italic title}}

{{speciesbox

|image = Tetraria octandra - Flickr - Kevin Thiele (1).jpg

|image_caption = Morelotia octandra male flowers

|image2 = Tetraria octandra - Flickr - Kevin Thiele.jpg

|image2_caption = Morelotia octandra female flowers

|genus = Morelotia

|species = octandra

|authority = (Nees) R.L.Barrett & J.J.Bruhl (2021)

|range_map=TetrariaoctandraDistributionMap16.png

| range_map_caption =Collections data from AVH

|synonyms=

  • Elynanthus octandrus {{small|Nees (1840)}}
  • Elynanthus revolutus {{small|Nees (1844)}}
  • Schoenus octandrus {{small|(Nees) F.Muell. (1875)}}
  • Tetraria octandra {{small|(Nees) Kük. (1931)}}
  • Tetrariopsis octandra {{small|(Nees) C.B.Clarke (1908)}}

|synonyms_ref=

}}

Morelotia octandra is a species of sedge native to the south-west of Western Australia.

Description

Morelotia octandra is a rhizomatous, tufted perennial, sedge which grows from 0.175 to 1.25 m high. Its brown to black flowers may be seen from May to November. It grows on white, grey or lateritic sand, loam, granite, graveland in swamps and on rocky hillsides.

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 bioregions.

Taxonomy

This species was first described by Nees von Esenbeck in 1841 as Elynanthus octandrus. In 1931, Georg Kükenthal reassigned it to the genus, Tetraria. In 2021 R.L.Barrett & J.J.Bruhl reassigned it to genus Morelotia.

References

{{Reflist|refs=

Govaerts, R. et al. (2023) {{cite web|url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77305074-1|title=Tetraria octandra (Nees) R.L.Barrett & J.J.Bruhl – Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew|accessdate=11 November 2023}}

Kükenthal, G. (1931) Repertorium Specierum Novarum Regni Vegetabilis 29: 192

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

{{cite web|url=https://biodiversity.org.au/nsl/services/rest/instance/apni/509590|title=APNI Tetraria octandra|publisher=Australian Plant Name Index|accessdate=2 August 2018}}

{{cite web|url=https://biodiversity.org.au/nsl/services/rest/name/apni/67881/api/apni-format|title=APNI Elynanthus octandrus|publisher=Australian Plant Name Index|accessdate=2 August 2018}}

{{cite web|url=https://florabase.dpaw.wa.gov.au/browse/profile/1036|title=Florabase Tetraria octandra|publisher=Department of Biodiversity, Conservation and Attractions|accessdate=2 August 2018}}

}}