spinifex

(redirected from Porcupine Grass)
Also found in: Dictionary, Wikipedia.
Related to Porcupine Grass: Maiden grass

spinifex

1. Austral any of various coarse spiny-leaved inland grasses of the genus Triodia
2. any grass of the SE Asian genus Spinifex, having pointed leaves and spiny seed heads: often planted to bind loose sand