- Cardiospermum halicacabum is a deciduous woody, perennial to annual vine native to Tropical America. The square stems are fast growing and can reach up to 10 ft. (3 m) long. The plants climb with forked tendrils.
- The compound leaves have large teeth and lobes on the leaflets that can reach 4 in. (10 cm) long.
- The small white flowers bloom from summer through the fall, flowers are not very showy.
- The fruit from which the plant gets its common name is balloon-like. They are green maturing to brown, thin-shelled, inflated, angled capsules up to 1.13 in. (3 cm) in diameter containing 3 black seeds each, with a white heart-shaped scar.
- Ecological Threat
- Cardiospermum halicacabum is a weed of disturbed ground, especially in wetland areas or riparian corridors. It has been introduced throughout the southern and southeastern United States.
Geordan Hudson and ReBecca Sonday with assistance from Robyn J. Burnham. Plant Diversity Website, University of Michigan
Cal’s Plant of the Week, University of Oklahoma Department of Botany & Microbiology 
Erv Evans, Consumer Horticulturist. North Carolina State University 
Flora of China, www.eFloras.org 
University of Missouri Extension 
USDA NRCS PLANTS 
USDA ARS GRIN 
Images from Bugwood.org