Setaria magna
Giant foxtail

The native giant foxtail is MUCH larger than its cousin, knotroot foxtail. It might first be noticed as a large spike or "foxtail" on top of a very large grass, growing in a deep ditch. Giant foxtail produces large seeds which are valuable wildlife food.


Giant foxtail is a very large grass. stems to 12 ft. tall, to 1 in. wide; leaf blades to 20 in. long, to 2 in. wide, usually rough to the touch; inflorescence large bushy spike, on stem tips, sometimes drooping, densely hairy, to 20 in. long; spikelets with 1 or 2 long bristles


Click here to see the herbarium specimen image of the UNIVERSITY OF FLORIDA HERBARIUM DIGITAL IMAGING PROJECTS.

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