Austrostipa

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Speargrass
Austrostipa nodosa dried seeds.jpg
Austrostipa nodosa
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Supertribe: Stipodae
Tribe: Stipeae
Genus: Austrostipa
S.W.L.Jacobs & J.Everett
Type species
Austrostipa mollis

Austrostipa is a primarily Australian genus of plants in the grass family, commonly called speargrass. [1] [2] [3] [4]

The genus includes species formerly included in the genus Stipa. All known species are native to Australia, most of them found nowhere else. One species (A. variabilis) is, however, found in South Africa as well as in Australia, and two species (A. setacea + A. stipoides) are native to Australia and New Zealand. [5] The group likely originated in Australia approximately 20 million years ago. [6]

Species [7] [8] [9]

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<i>Ehrharta</i> Genus of grasses

Ehrharta is a genus of plants in the grass family.

<i>Imperata</i> Genus of grasses

Imperata is a small but widespread genus of tropical and subtropical grasses, commonly known as satintails.

Austrostipa variabilis is a species of grass in the family Poaceae that grows in southern parts of Australia.

Agnesia is a genus of herbaceous South American bamboo in the grass family.

Airopsis is a genus of southern European and northern African plants in the grass family.

Ancistragrostis is a genus of Australian and New Guinean plants in the family Poaceae.

<i>Anisopogon</i> Genus of grasses

Anisopogon is a genus of Australian plants in the grass family. The only known species is Anisopogon avenaceus, native to Victoria and New South Wales. It is known commonly as oat speargrass. It is a perennial grass growing up to 1.5 metres tall, bearing spikelets up to 6 centimetres long.

Arberella is a genus of Neotropical bamboo in the grass family.

  1. Arberella bahiensis - Venezuela (Amazonas), Brazil (Bahia)
  2. Arberella costaricensis - Costa Rica
  3. Arberella dressleri - Panama
  4. Arberella flaccida - Colombia, French Guiana, Suriname, Brazil
  5. Arberella grayumii - Costa Rica
  6. Arberella lancifolia - Panama
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Austrofestuca, called beach fescue, is a genus of Australian and New Zealand plants in the grass family. The only accepted species is Austrofestuca littoralis, native to seacoast regions in Australia and New Zealand.

Austrochloris is a genus of Australian plants in the grass family. The only known species is Austrochloris dichanthioides, found only in the State of Queensland.

<i>Dichelachne</i> Genus of grasses

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<i>Austrostipa elegantissima</i> Species of plant

Austrostipa elegantissima, commonly known as tall feather-grass, is a species of grass in the family Poaceae. It is native to southern Australia, from Western Australia to New South Wales. It grows as a decumbent perennial in a rhizomatous tussock with widespread leaves. It lacks basal leaves. It is found in areas that are not grazed by introduced livestock, which feed on this plant.

<i>Austrostipa setacea</i> Species of grass

Austrostipa setacea, the corkscrew bamboo grass, is found in many areas of inland Australia. This bunchgrass may reach 0.8 metres (2.6 ft) tall. Flowering may occur at any time of the year. This is one of the many plants first published by Robert Brown with the type known as "(J.D.) v.v." Appearing in his Prodromus Florae Novae Hollandiae et Insulae Van Diemen in 1810. The specific epithet setacea is derived from Latin, referring to the bristly leaves.

<i>Austrostipa hemipogon</i> Species of plant

Austrostipa hemipogon is a tufted, perennial grass (a member of the family Poaceae. It is native to Australia, and found in Western Australia, South Australia, Victoria, and Tasmania.

<i>Austrostipa mollis</i> Species of grass

Austrostipa mollis, also known as the soft speargrass or supple speargrass is a robust, erect tufted perennial speargrass in the Poaceae family. It is native to Australia, and found in Western Australia, South Australia, Victoria, ACT and Tasmania.

References

  1. ↑ Jacobs, Surrey Wilfrid Laurance & Everett, Joy 1996. Telopea 6: 579–595
  2. ↑ Watson L, Dallwitz MJ. (2008). "The grass genera of the world: descriptions, illustrations, identification, and information retrieval; including synonyms, morphology, anatomy, physiology, phytochemistry, cytology, classification, pathogens, world and local distribution, and references". The Grass Genera of the World. Archived from the original on 2011-06-06. Retrieved 2009-08-19.
  3. ↑ Australian Plant Name Index (APNI): Austrostipa
  4. ↑ PlantNET: New South Wales Flora Online: Austrostipa
  5. ↑ Kew World Checklist of Selected Plant Families
  6. ↑ Syme, A. E. (2012). Diversification rates in the Australasian endemic grass Austrostipa - 15 million years of constant evolution. "Plant Systematics and Evolution" 298 (1):221-227.
  7. ↑ Kew World Checklist of Selected Plant Families
  8. ↑ FloraBase - The Western Australian flora online: Austrostipa — list of species
  9. ↑ Atlas of Living Australia, Austrostipa S.W.L.Jacobs & J.Everett Spear-grasses


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