Thurber's Cotton (
Gossypium thurberi) is a kind of wild cotton native to Arizona, USA. The leaves are typically green during the spring and summer, in the fall (November) they turn red. It has a tree-like growth habit with perennial growth and thick woody stems. The flowers are white, and when pollinated, turn into small fruits. The fruits are small capsules that are dehiscent, meaning that when they dry out the capsule splits open and releases the seeds. There is a very small amount of cotton fiber in each capsule making Thurber's Cotton useless as a commercial crop.
The capsules can be seen in the picture above. These start to form between October and November in Arizona.
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