spinifex
Any of numerous species of grass in genus , growing in sand dunes.
Definitions
Australia
#1·Apr 27, 2026AUS
Any of numerous species of grass in genus , growing in sand dunes.
Origin: From (genus name), from + (from ). thumb|right|Two species of Australian spinfex, (green) and Triodia basedowii (blue-grey) [[File:Komatiite Lava in South Africa - CSIRO ScienceImage 11033.jpg|thumb|right|Komatiite lava at the type locality in the Komati Valley, Barberton Mountainland, South Africa, showing komatiite's distinctive spinifex texture, which is formed by dendritic plates of olivine (scale shown by a hammer on the right edge of the photo)]]. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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Australia
#2·Apr 27, 2026AUS
(geology, petrology, mineralogy) Composed of dendritic plates, which present as the scored texture of bundled, spine-like structures typical of komatiites.
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Australia
#3·Apr 27, 2026AUS
(Australia) Any of several spiny grass species of the genus Triodia, endemic to arid outback Australia.
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