Pennisetum ciliare

Buffelgrass; an annual from southern Africa that has become invasive in warmer parts of the desert southwest.

Plant habit near the hot springs at the mouth of Tornillo Creek on the Rio Grande, Big Bend National Park, Brewster County, Texas, 15 Apr 2007.



An inflorescence near the hot springs at the mouth of Tornillo Creek on the Rio Grande, 15 Apr 2007.



Plant habit at the Chisos Lodge in Big Bend National Park, 22 Mar 2006.



An inflorescence at the Chisos Lodge, 22 Mar 2006.



Closer view of spikelets at the Chisos Lodge, 22 Mar 2006.

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