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Sandbur

Also known as: long-spine sandbur

Cenchrus longispinus (Hack.) Fernald

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Mature burs of sandbur
Sandbur
Sandbur
Sandbur
Sandbur
Sandbur
Sandbur
Sandbur
Sandbur

Morphology

Culm
Erect or decumbent, tufted, flattened, often bent near bases.
Blades
Flat, 2 to 10 inches long, less than 1/4 inch wide, rough; tips tapering to points.
Sheath
Glabrous, usually loose, flattened; margins sometimes hairy.
Ligule
Short membranes, fringed with hairs.
Inflorescence
Spikes, 1 to 3 inches long, terminal, sometimes partly enclosed by upper leaf, often purplish when mature; burs 6-20, hard, hairy, armed with 30-65 stout spines, enclosing 1-3 spikelets.
Spikelets
2-flowered, upper floret perfect, lower floret sterile; glumes unequal; tips pointed; lemmas narrow, glabrous; tips pointed.

Ecology

Habitat
Waste areas, cultivated fields, roadsides, and lawns, on sandy or gravelly sites.
Distribution
Throughout Kansas.

Practical Information

Forage Value
It provides good forage when immature but has no forage value after it forms burs.

Additional Notes

Comments

Tufted. Sandbur is a common weed that sometimes forms large mats. The burs cling to clothing and fur and can injure the eyes, noses, and mouths of livestock.

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Annual
Height
8-32 inches
Last Updated
2007-09-12
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: July, August, September