Definition of wild cotton
1 : cotton grass
2a : a shrubby herb (Gossypium thurberi) of southern Arizona and Mexico b : any of various cultivated cottons that have escaped and established themselves in subtropical or tropical areas
3 : any of several plants of the genera Abutilon and Hibiscus (especially H. moscheutos)
4 Australia : any of various milkweeds; especially : either of two milkweeds (Asclepias fruticosa and A. physocarpa) that have been introduced into Australia from South Africa and are poisonous to cattle
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