Is looks like a real old world cotton, nice, because they are diploid and don't cross with the (mostly gm) new world cotton.
Do you know if it is cultivated as a
perennial locally?
Some G. arboreum ratoon cropped for two years, others are kept for many years even. Depends on the variety.
Usually seeds are soaked in sulfuric acid to remove the small hairs, but this is only needed for machine sowing, or at least sowing large quantities. Hairs were traditionally removed by mixing with clay or cow manure and rubbing.