Prickly head grasses
Prickly head grasses | ||||||||||||
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Prickly head grasslands ("Spinifex") |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Triodia | ||||||||||||
R.Br. |
The prickly head grasses ( Triodia ) are a genus of plants in the sweet grass family . It only occurs in Australia. Prickly head grasses cover large parts of the outback in Australia ; over 20% of the continent is covered with it.
The prickly head grasses are also known under the name Spinifex . Botanically, however, Spinifex is a genus of coastal grasses that is not closely related to the Triodia species in the interior. Barbed head grasses are difficult to digest for cattle, which is why only extensive grazing or no livestock farming can take place in the area where this genus is distributed.
description
Triodia species are prickly.
Systematics
The genus Triodia was established in 1810 by Robert Brown .
Some of the more than 50 species were sometimes placed in their own genus Plectrachne Henrard . Michael Lazarides placed the Plectrachne species in 1997 in the genus Triodia .
There have been around 70 species in the genus Triodia s since 2015 . l .:
- Triodia acutispicula Lazarides : Northern Western Australia.
- Triodia aeria Lazarides : Northern Western Australia.
- Triodia angusta N.T.Burb. : Northwestern and north-central Western Australia.
- Triodia aristiglumis (Lazarides) Lazarides : Northern Northern Territory.
- Triodia aurita Lazarides : Northern Northern Territory.
- Triodia barbata R.L.Barrett & MDBarrett : Northeastern Western Australia.
- Triodia basedowii E. Pritz. : Australia.
- Triodia basitricha M.D.Barrett : The species first described in 2015 occurs in Western Australia.
- Triodia biflora Lazarides : Northwest Western Australia.
- Triodia birriliburu B.M. Anderson : The species first described in 2ß17 occurs in Western Australia.
- Triodia bitextura Lazarides : Northern and Central Australia.
- Triodia brizoides N.T.Burb. : Northwestern and Central Australia.
- Triodia bromoides (F.Muell.) Lazarides : Western and central Western Australia.
- Triodia bunglensis (SWLJacobs) Lazarides : Northeastern Western Australia.
- Triodia burbidgeana S.WLJacobs : Northern Western Australia to northwestern Queensland.
- Triodia bynoei (CEHubb.) Lazarides : Northwestern and northern Western Australia to northern Northern Territory.
- Triodia caelestialis G. Armstr. : Northern Western Australia.
- Triodia celsa M.D.Barrett : The species first described in 2015 occurs in Western Australia.
- Triodia chichesterensis B.M. Anderson : The species first described in 2017 occurs in Western Australia.
- Triodia claytonii Lazarides : Northern Western Australia to northwestern Northern Territory and also northern Queensland.
- Triodia compacta (NTBurb.) SWLJacobs : Central and southern Australia.
- Triodia concinna N.T.Burb. : Central Western Australia.
- Triodia contorta (Lazarides) Lazarides : Northern and Central Northern Territory.
- Triodia cremnophila R.L.Barrett & MDBarrett : Northeastern Western Australia.
- Triodia cunninghamii Benth. : Northern Western Australia.
- Triodia danthonioides (F.Muell.) Lazarides : Western Western Australia.
- Triodia desertorum (CEHubb.) Lazarides : South-central Western Australia.
- Triodia diantha M.D.Barrett : The species first described in 2015 occurs in Western Australia.
- Triodia dielsii (CEHubb.) Lazarides : Western Western Australia.
- Triodia epactia S.WLJacobs : Northwest and northern Western Australia to the Northern Territory.
- Triodia fissura Barrett, Wells & Dixon : Northeastern Western Australia.
- Triodia fitzgeraldii C.A. Gardner ex NTBurb. : Northeastern Western Territory to northern Northern Territory.
- Triodia gracilis (Lazarides) Crisp & Mant : Northern Northern Territory.
- Triodia helmsii (CEHubb.) Lazarides : West-central and south-central Australia.
- Triodia hubbardii N.T.Burb. : Central Australia.
- Triodia inaequiloba N.T.Burb. : Northern Western Australia.
- Triodia infesta B.M. Anderson & MDBarrett : The species first described in 2017 occurs in Western Australia.
- Triodia integra Lazarides : Central Australia.
- Triodia intermedia Cheel : Northwestern and northern Western Australia to Northern Territory.
- Triodia inutilis N.T.Burb. : Northern Western Australia to Northern Territory.
- Triodia irritans R.Br. : Central and Southern Australia.
- Triodia lanata J.M.Black : Western and Southern South Australia.
- Triodia lanigera Domin : Northwest Western Australia.
- Triodia lanosa (Lazarides) Crisp & Mant : Northern Northern Territory.
- Triodia latzii Lazarides : Northern Territory.
- Triodia longiceps J.M.Black : Northwestern and central Australia.
- Triodia longiloba Lazarides : Northern Western Australia, northeastern Northern Territory.
- Triodia longipalea Lazarides : Western and southwestern Western Australia.
- Triodia mallota B.M. Anderson & MDBarrett : The species first described in 2017 occurs in Western Australia.
- Triodia marginata N.T.Burb. : Queensland to northern New South Wales.
- Triodia melvillei (CEHubb.) Lazarides : Western and Central Australia.
- Triodia microstachya R.Br. : Northern and Northeastern Australia.
- Triodia mitchellii Benth. : Eastern Australia.
- Triodia molesta N.T.Burb. : Queensland.
- Triodia nana B.M. Anderson : The species first described in 2017 occurs in Western Australia.
- Triodia pascoeana B.K.Simon : Northern and north-central Western Australia.
- Triodia pisoliticola Trudgen & MDBarrett : The species first described in 2018 occurs in Western Australia.
- Triodia plectrachnoides N.T.Burb. : Northern Western Australia to the northwest and northern Northern Territory.
- Triodia plurinervata N.T.Burb. : West-Northwest Western Australia.
- Triodia procera R.Br. : Northern Australia.
- Triodia prona Lazarides : Northeastern Western Australia.
- Triodia pungens R.Br. : Australia.
- Triodia racemigera C.A.Gardner : Northeastern Western Australia to northwestern Northern Territory.
- Triodia radonensis S.WLJacobs : Northern Northern Territory.
- Triodia rigidissima (Pilg.) Lazarides : Western Australia.
- Triodia roscida N.T.Burb. : Northeastern Western Australia to northwestern Northern Territory.
- Triodia salina Lazarides : North-central and eastern Western Australia to western and south-central Northern Territory.
- Triodia scariosa N.T.Burb. (Syn .: Triodia bunicola (SWLJacobs) Lazarides ): Central and southern Australia.
- Triodia schinzii (Henrard) Lazarides : Western and Central Australia.
- Triodia scintillans B.M.Anderson & MDBarrett : The species first described in 2017 occurs in Western Australia.
- Triodia secunda N.T.Burb. : Northwest Western Australia.
- Triodia spicata N.T.Burb. : North-central and eastern Western Australia to Northern Territory.
- Triodia stenostachya Domin : Northern and northeastern Australia.
- Triodia stipoides (SWLJacobs) Crisp & Mant : Northern Western Australia.
- Triodia tomentosa S.WLJacobs : North-central and south-central Western Australia.
- Triodia triaristata Lazarides : South-central Northern Territory to north-central Queensland.
- Triodia triticoides C.A.Gardner : north-central and northeastern Western Australia to northwestern Northern Territory.
- Triodia uniaristata (Lazarides) Lazarides : Northern Northern Territory.
- Triodia vanleeuwenii B.M.Anderson & MDBarrett : The species first described in 2017 occurs in Western Australia.
- Triodia vella Lazarides : Southeast Queensland.
- Triodia Wiseana C.A.Gardner : Northwest and northern Western Australia and Northern Territory.
literature
- Michael Lazarides: A revision of Triodia including Plectrachne (Poaceae: Eragrostideae: Triodiinae). In: Australian Systematic Botany , Volume 10, 1997, pp. 381-489. doi : 10.1071 / SB96012
Individual evidence
- ↑ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd Rafaël Govaerts (Ed.): Triodia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved May 30, 2020.
- ↑ Michael Lazarides: A revision of Triodia including Plectrachne (Poaceae: Eragrostideae: Triodiinae). In: Australian Systematic Botany , Volume 10, 1997, pp. 381-489. doi : 10.1071 / SB96012 .
Web links
- WD Clayton, M. Vorontsova, KT Harman, H. Williamson: Datasheet at GrassBase - The Online World Grass Flora by The Board of Trustees, Royal Botanic Gardens, Kew .
- Species list at Western Australian Flora .