Large-leaf Ray Flower
NameLarge-leaf Ray Flower
Scientific NameNicotiana sylvestris
Common NamesLarge-leaf Ray Flower, Flowering Tobacco, Woodland Tobacco, South American Tobacco
Plant FamilySolanaceae
Natural HabitatNative to the woodlands and clearings of South America, particularly Argentina. It thrives in moist, fertile soils and is widely cultivated as an ornamental plant in temperate regions.
Parts Usedleaf
Medicinal Actionsnervine,sedative
Traditional UsesTraditionally, some Nicotiana species, including relatives of N. sylvestris, have been used by indigenous peoples in South America for ceremonial and ritualistic purposes, often involving smoking or snuffing the dried leaves for their psychoactive and stimulant effects. Due to its high toxicity, internal medicinal use of N. sylvestris is rare and dangerous.
Active Constituentsnicotine, anabasine, nornicotine
Preparation Methodspowder,poultice
Contraindications & WarningsHighly toxic due to its nicotine content; not safe for internal consumption. Can cause nausea, vomiting, dizziness, tremors, and severe cardiac and neurological effects. Avoid during pregnancy, lactation, and in individuals with heart conditions or neurological disorders. Interacts with numerous medications.
Cultivation NotesPrefers full sun to partial shade and rich, well-drained soil. Can be grown as an annual in most climates or a short-lived perennial in warmer zones. Requires regular watering and can readily self-seed.
Raritycommon
Description
Nicotiana sylvestris is a robust annual or short-lived perennial herb, typically growing up to 5 feet tall, characterized by large basal leaves and smaller, lanceolate stem leaves. It produces terminal clusters of highly fragrant, trumpet-shaped white flowers with five star-like lobes.
