- Gossypium hirsutum is a cotton species native to Central America and the Caribbean. After being domesticated in the United States, this cotton species now provides over 90% of commercial cotton worldwide.
- The dried root bark of cotton contains gossypol. This compound may cause abortion-inducing effects. Gossypol may be isolated more easily from the bark. Other parts of the cotton plant have limited gossypol content.
- Cotton has a history of use for breastfeeding, contraception, diarrhea, female reproduction, fever, headache, pregnancy, nausea, and various other applications.