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Pest Information

Blackroot

Blackroot

  • Latin Name: Pterocaulon Virgatum
  • Common Name: Blackroot
  • Other Names: Wand blackroot

Pest Details

Blackroot
Blackroot
Blackroot

Origin:

A native plant, found in the United States from North Carolina south to Florida, and along the Gulf Coast to Texas. It also is found in the West Indies.

Biology:

A perennial that reproduces from seeds. Plants especially favor sandy soils, and may be found along roadsides or in disturbed waste areas. Generally not considered a weed problem.

Identification:

The common name for the plants in this genus is derived from the thick, black roots. The stems and leaves are coated with a fine, white pubescence, giving the plants a soft texture. The stems are “winged” along their length with raised ridges on three sides. The leaves are elongate lance-shaped, with wavy or notched margins, and attach to the stem without a stalk. The unusual flower heads are at the ends of the stems, and are elongate and cone-shaped, wider at their base than the tip. They are composed of many small, white flowers that attach tightly to the stem to create the dense cluster.

Characteristicts Important to Control:

Control is not needed for this plant. If found growing where not wanted it can be removed by hand.

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