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Also called "Rattlesnake Weed".
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Smooth or hairy, upright perennial, from slender underground stems with
large, segmented, white tubers resembling a "rattlesnakes's rattle."
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Square stems with opposite, serrated leaves.
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Leaves are longstalked, lance-shaped, usually with a nearly flat base.
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White to pink two lipped (trumpet-shaped) flowers produced at top of plants.
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During hot weather, top growth disappears but plant reproduces by seed
or underground tubers.
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Found in turf, roadsides, thickets, and shrub beds.
Control Methods
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Hand Removal or Hoeing
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Herbicides:
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Preemergence - atrazine* (Apply
in the fall and spring).
* Excellent tolerance in centipede
and St. Augustine grass; use only on these grasses.
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Postemergence - combination of these
products:
[dicamba**,
MCPP**, 2,4-D**,
and/or 2,4-DP**]
(Apply in the fall and spring)
** Use
lower rates on centipede and St. Augustine grass.
Do not use within the root zone of desirable plants, especially dicamba.
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Read the Label ------------------------
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Trumpet-shaped flowers.
White tubers resemble a
rattlesnake's rattle.
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