1g (approx. 50 seeds). (Datura metel) Very ornamental perennial is mostly grown as annual. Grows up to 150cm (60in.) tall, woody stem with large leaves. Fruit - a spherical capsule, covered with spines. Datura flowers are white, funnel-shaped, very fragrant, with white rim, up to 20cm (8in.). All parts of Datura plants contain tropane alkaloids (highly poisonous) and may be fatal if ingested by humans or other animals, including livestock and pets. (Datura metel).