Species of Datura are very poisonous plants, all their parts containing strong alkaloids, including atropine, hyoscyamine, and scopolamine. These are useful in medicine, under carefully controlled conditions, but cultivation for the attractive large flowers is not recommended.
1. Stem and petioles densely puberulent; fruit dehiscing irregularly, on recurved pedicel; flowers ca. 12โ20 cm long; leaves entire or with an occasional broad tooth.
D. inoxia
1. Stem and petioles glabrous or nearly so; fruit dehiscing regularly, on erect pedicel; flowers ca. (7.5โ) 8โ10 cm long; leaves coarsely but clearly toothed throughout.
D. stramonium
All species found in Datura
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 17, 2022. https://michiganflora.net/genus.aspx?id=Datura.