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Triodia irritans is a species of plant that forms low and dense mounds of tough grassy vegetation. It is found on sandplains in arid regions of southern and central Australia.
The species was first described by Robert Brown in 1810. A common name for this and other species of Triodia is porcupine grass. Triodia irritans is found on red and grey sands in Western Australia, South Australia, and the Northern Territory, where it dominates a plain, dune or rocky hill as tussocks. Flowering occurs throughout the year. Its leaves are sharp and can easily penetrate human skin. The plant's flammability can lead to extremely fast-moving wildfires.
Hard spinifex · Gummy Spinifex · Porcupine Grass · Triodia scintillans · Triodia stipoides · Australian Spinifex
Text excerpted from the Wikipedia article Triodia irritans by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
