Amaryllis belladonna Amaryllis belladonna Amaryllis belladonna, (Jersey lily, belladonna-lily, naked-lady-lily, March lily) is a plant species native to Cape Province in South Africa but widely cultivated as an ornamental. It is reportedly naturalized in many places: Corsica, Portugal, the Azores, Madeira, the Canary Islands, Zaire, Ascension Island, Australia, New Zealand, Mexico, Cuba, Haiti, the Dominican Republic, Chile, California, Texas, Louisiana, and the Juan Fernández Islands. Perennial bulbous geophyte with one to two erect solid stems which appear in late summer. The inflorescence bears 2–12 showy fragrant funnel-shaped flowers on a 'naked' (leafless) stem, which gives it the common name of naked-lady-lily. The
Atropa belladonna probably, from its usage to increase the pupil size in women. Belladonna is one of the most toxic plants found in the Eastern Hemisphere, and its use by mouth increases risk in numerous clinical conditions, such as complications of pregnancy, cardiovascular diseases, gastrointestinal disorders, and psychiatric disorders, among others. All parts of the plant contain tropane alkaloids. Roots have up to 1.3%, leaves 1.2%, stalks 0.65%, flowers 0.6%, ripe berries 0.7%, and seeds 0.4% tropane alkaloids; leaves reach maximal alkaloid content when the plant is budding and flowering, roots are most poisonous in the end of the plant’s vegetation period.