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Longspine Sandbur - Cenchrus longispinus
Family: Poaceae

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Description

Longspine sandbur is an annual grass. The leaf blades are smooth, flat or rolled, 4-14 cm long, 3-7 mm wide. Leaf sheaths are usually glabrous but sometimes are sparsely ciliate. The burs are borne in short spikes along a zigzag rachis and fall off at a touch when ripe. The spines of the burs are very sharp and each spine is microscopically backwardly barbed.

Interesting facts

Longspine sandbur has culms 2-6 dm tall, usually spreading and making mats. It grows in cultivated fields, pastures, roadsides, and waste places. It is generally more common on sandy land than on heavier soils.

The spiny burs can inflict painful and dangerous flesh wounds to man and animals. They also can become lodged in fur or wool.


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Website, video, and graphics by Rob Nelson
For more information on this plant or management please contact US Army Corp of Engineers

 

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