Gahnia
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Gahnia
''Gahnia'' (sawsedge, saw-sedge) is a genus of sedges native to China, Southeast Asia, New Guinea, Australia, New Zealand and a number of Pacific Islands. The common name is due to the toothed margins. It often forms tussocks. Species Accepted species: *''Gahnia ancistrophylla'' Benth. – Western Australia, South Australia, Victoria *'' Gahnia aristata'' Benth. – Western Australia *'' Gahnia aspera'' (R.Br.) Spreng. – Maluku, New Guinea, Queensland, New South Wales, Melanesia, Bonin Islands, Hawaii *''Gahnia australis'' (Nees) K.L.Wilson – Western Australia *'' Gahnia baniensis'' Benl. – Fujian, Guangdong, Guangxi, Hainan, Vietnam, Borneo, Malaysia, Sumatra *'' Gahnia beecheyi'' H.Mann – forest sawsedge – Hawaii *''Gahnia clarkei'' Benl – New Guinea, New South Wales, Queensland, Victoria *''Gahnia decomposita'' (R.Br.) Benth. – Western Australia *''Gahnia deusta'' (R.Br.) Benth. – Western Australia, South Australia, Victoria *'' Gahnia drummondii'' (Ste ...
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Gahnia Gahniiformis
''Gahnia'' (sawsedge, saw-sedge) is a genus of sedges native to China, Southeast Asia, New Guinea, Australia, New Zealand and a number of Pacific Islands. The common name is due to the toothed margins. It often forms tussocks. Species Accepted species: *''Gahnia ancistrophylla'' Benth. – Western Australia, South Australia, Victoria *'' Gahnia aristata'' Benth. – Western Australia *''Gahnia aspera'' (R.Br.) Spreng. – Maluku, New Guinea, Queensland, New South Wales, Melanesia, Bonin Islands, Hawaii *''Gahnia australis'' (Nees) K.L.Wilson – Western Australia *'' Gahnia baniensis'' Benl. – Fujian, Guangdong, Guangxi, Hainan, Vietnam, Borneo, Malaysia, Sumatra *'' Gahnia beecheyi'' H.Mann – forest sawsedge – Hawaii *''Gahnia clarkei'' Benl – New Guinea, New South Wales, Queensland, Victoria *''Gahnia decomposita'' (R.Br.) Benth. – Western Australia *''Gahnia deusta'' (R.Br.) Benth. – Western Australia, South Australia, Victoria *'' Gahnia drummondii'' (Steud.) ...
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Gahnia Grandis
''Gahnia grandis'' is a tussock-forming perennial plant found in southeastern mainland Australia and Tasmania. Originally described by botanist Jacques Labillardière as ''Scleria grandis'' in 1800, it was placed in its current genus by S. T. Blake in 1969. In Tasmania, ''Gahnia'' is the most widely seen genus, with seven native species. Six of these species are very large, erect graminoids with sharp-edged leaves resembling a razor, hence the common names cutting grass and cutty grass. Description ''Gahnia grandis'' is a perennial tussock-forming sedge growing to 1–3 × 2–3m tall. The flowering stems are stout, often sprawling before becoming erect. The sharp-edged leaves are flat, brown-sheathed, and channelling to a 2.5m long, narrow, spiral stem. The inflorescences emerge from a long, tangled stem with weeping leaves. The stems (culms) are stout, 1–3 m high and c. 2–10 mm in diameter, often sprawling for 1–2 m from their base. It is widespread throughout Tasm ...
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Gahnia Aspera
''Gahnia aspera'' known as the rough saw-sedge or round sawsedge is a tussock forming perennial plant, often seen in moist situations. The long strap like leaves grow to 80 cm long. Originally described by botanist Robert Brown as ''Lampocarya aspera'' in his 1810 work ''Prodromus Florae Novae Hollandiae'', it was placed in its current genus by German botanist Curt Polycarp Joachim Sprengel in 1825. Its specific name ''aspera'' is the Latin adjective ''asper'' "rough". ''Gahnia aspera'' grows as a strappy tussock high by across, with leaves to long. The underside of the leaves and leaf edges are sharp and can easily cut human skin. The creamy flowers grow in spikes from the centre of the plant and appear from October to January. They are followed by shiny red or red-brown round nuts, which measure 4.5 to 6.0 mm long, 2.5 to 4.0 mm in diameter. It is found in a variety of situations, from rainforest to drier inland areas such as Rankins Springs and the Pill ...
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Gahnia Filum
''Gahnia filum'', the chaffy saw-sedge, is a tussock-forming perennial in the family Cyperaceae, endemic to Australia. It grows to between 60 and 110 cm in height. The species occurs in coastal salt marsh in the states of New South Wales, Victoria, Tasmania and South Australia. The caterpillar of the yellow sedge-skipper butterfly uses this species for shelter during daylight hours, binding the leaves with silk. By night it feeds on the grass. ''Ghania'' is being planted at Aldinga Washpool in South Australia in order to provided habitat for the endangered butterfly. References filum The filum terminale ("terminal thread") is a delicate strand of fibrous tissue, about 20 cm in length, proceeding downward from the apex of the conus medullaris. It is one of the modifications of pia mater. It gives longitudinal support to th ... Flora of New South Wales Flora of South Australia Flora of Tasmania Flora of Victoria (Australia) Poales of Australia Plants des ...
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Gahnia Clarkei
''Gahnia clarkei'' (also known as tall sawsedge) is a species of evergreen plant from a sedge family that can be found in Australia. The plant is high, with the same width. They grow during summer and have large black to brownish flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...s. The flowers contain heads that produce small red seeds. References External links''Gahnia clarkei''Tall Saw Sedge
{{Taxonbar, from=Q5516928 clarkei Flora of New Sout ...
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Gahnia Howeana
'' Gahnia howeana '' is a flowering plant in the sedge family. The specific epithet refers to Lord Howe Island, where it is found. It was formerly lumped with ''Gahnia xanthocarpa'', which is now considered to be endemic to New Zealand. Description It is a strong, tussocky perennial sedge with stout, smooth culms, growing to 1–2 m in height. The leaves are as long as the culms and about 1 cm wide at the base. It has a drooping, paniculate inflorescence, 30–40 cm in length. Distribution and habitat The sedge is endemic to Australia’s subtropical Lord Howe Island in the Tasman Sea. It occurs in moist areas within low forest on the rocky slopes and summits of Mounts Lidgbird and Gower Gower ( cy, Gŵyr) or the Gower Peninsula () in southwest Wales, projects towards the Bristol Channel. It is the most westerly part of the historic county of Glamorgan. In 1956, the majority of Gower became the first area in the United Kingdom ... at the southern end of t ...
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Gahnia Decomposita
''Gahnia decomposita'' is a tussock-forming perennial in the family Cyperaceae, that is native to southern parts of Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th .... References decomposita Plants described in 1878 Flora of Western Australia Taxa named by George Bentham {{Australia-plant-stub ...
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Gahnia Australis
''Gahnia australis'' is a tussock-forming perennial in the family Cyperaceae, that is native to southern western parts of Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th .... References australis Plants described in 1980 Flora of Western Australia Taxa named by Karen Louise Wilson {{Australia-plant-stub ...
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Gahnia Ancistrophylla
''Gahnia ancistrophylla'', also known as hooked-leaf saw sedge, is a tussock-forming perennial in the family Cyperaceae, that is native to southern parts of Western Australia, South Australia and Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle .... References ancistrophylla Plants described in 1878 Flora of Western Australia Flora of South Australia Flora of Victoria (Australia) Taxa named by George Bentham {{Australia-plant-stub ...
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Gahnia Deusta
''Gahnia deusta'' is a tussock-forming perennial in the family Cyperaceae, that is native to southern parts of Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma .... References deusta Plants described in 1878 Flora of Western Australia Flora of South Australia Flora of Victoria (Australia) Taxa named by George Bentham {{Australia-plant-stub ...
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Gahnia Erythrocarpa
''Gahnia erythrocarpa'' is a leafy sedge, growing up to 2 metres tall. Found in damp areas in forest or woodland in the Sydney district of Australia. This is one of the many plants first published by Robert Brown with the type known as "(J.) v.v." appearing in his ''Prodromus Florae Novae Hollandiae et Insulae Van Diemen ''Prodromus Florae Novae Hollandiae et Insulae Van Diemen'' (Prodromus of the Flora of New Holland and Van Diemen's Land) is a flora of Australia written by botanist Robert Brown and published in 1810. Often referred to as ''Prodromus Flora Novae ...'' in 1810. The specific epithet ''erythrocarpa'' is from ancient Greek and refers to the red seeds.Les Robinson – Field Guide to the Native Plants of Sydney, page 289 References Plants described in 1810 Flora of New South Wales erythrocarpa {{Cyperaceae-stub ...
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Gahnia Hystrix
''Gahnia hystrix'' is a tussock-forming perennial in the family Cyperaceae, that is native to parts of Kangaroo Island Kangaroo Island, also known as Karta Pintingga (literally 'Island of the Dead' in the language of the Kaurna people), is Australia's third-largest island, after Tasmania and Melville Island. It lies in the state of South Australia, southwest .... References hystrix Plants described in 1927 Flora of Kangaroo Island Taxa named by John McConnell Black {{Australia-plant-stub ...
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