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Vine Weeds of Missouri

Balloonvine (Cardiospermum halicacabum)

Balloonvine

Growth habit

  • Summer annual

Other names

  • Heart pea
  • Love-in-a-puff

Origin

  • Tropical America

Control classification

  • Moderately difficult

Note

  • Before using any herbicide, read and follow directions on the label accompanying that product. Reference to specific trade names does not imply endorsement by the University of Missouri; discrimination is not intended against similar products.

Balloonvine


 

Balloonvine takes its name from its inflated, three-sided fruit, which resembles a hot-air balloon. The seed leaves, or cotyledons, of balloonvine are rectangular, but subsequent leaves are divided into three lobes and are alternate on the vine. The plant has tendrils, a distinctly ridged stem and small, white flowers that have four petals. Balloonvine seeds have a distinctive, seamed appearance, like a baseball or tennis ball, one side white and the other black. Balloonvine poses a problem in fields where the soybean crop is produced for seed. Balloonvine seeds, essentially the same size and weight as soybeans, are difficult to clean out of the harvested crop.

Balloonvine was probably introduced as an ornamental vine. Its distribution in Missouri is restricted to the eastern part of the state.

Balloonvine


 

IPM1021, new December 2003

Wild thing
 

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IPM1021 Vine Weeds of Missouri | Page 2 | University of Missouri Extension