Phytochemical and microscopic evaluation of cultivated Datura innoxia miller.

Using a sensitive analytical method, the total alkaloid content of Datura innoxia cultivated in Ibadan is reported at different stages of growth. Furthermore, the total hyoscine content of D. inoxia has been shown to peak during the harmattan season and to be at its lowest in the rainy season in Ibadan. The diagnostic microscopic features of this little studied species is also described.