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Aristida purpurea facts for kids

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Purple three-awn
Aristida purpurea close.jpg
Conservation status
Scientific classification
Genus:
Aristida
Species:
purpurea
Aristida purpurea fruits with awns 2003-07-03
Spikelets showing the characteristic three awns apiece

Aristida purpurea is a species of grass native to North America which is known by the common name purple three-awn.

Distribution

This grass is fairly widespread and can be found across the western two thirds of the United States, much of southern Canada and parts of northern Mexico. It is most abundant on the plains.

Description

This is a perennial bunchgrass, growing erect to under a meter-3 feet in height, and the flower glumes often assumes a light brown to reddish-purple color. There are several varieties with overlapping geographical ranges. This is not considered to be a good graze for livestock because the awns are sharp and the protein content of the grass is low.

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