porcupine grass

noun

Definition of porcupine grass

  1. 1 :  a tall stout grass (Stipa spartea) of the western U.S. that has grains with long hygroscopic awns which by their twisting and untwisting often penetrate the wool and even the flesh of sheep and that affords good forage and hay

  2. 2 :  spinifex 2

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