Porcupine grass

Definition of Porcupine grass

(Bot.) a grass (Stipa spartea) with grains bearing a stout twisted awn, which, by coiling and uncoiling through changes in moisture, propels the sharp-pointed and barbellate grain into the wool and flesh of sheep. It is found from Illinois westward. See Illustration in Appendix.

See also: Porcupine

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Poraille
Porbeagle
Porcate
Porcelain
Porcelain clay
Porcelain crab
Porcelain jasper
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Porcelain shell
Porcelainized
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Porcupine ant-eater
Porcupine crab
Porcupine disease
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-Porcupine grass-
Porcupine wood
Pore
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