Nicotiana exigua
Image: Glasshouse (cc-by-nc)
NameNicotiana exigua
Scientific NameNicotiana exigua H.-M.Wheeler
Common NamesWild Tobacco
Plant FamilySolanaceae
Natural HabitatNative to Queensland, Australia, this species is typically found in arid or semi-arid regions, often thriving in disturbed soils, open woodlands, or along roadsides.
Parts Usedleaf,flower
Medicinal Actionsanalgesic,nervine
Traditional UsesHistorically, various Nicotiana species, including wild tobaccos, have been used by Indigenous peoples for ceremonial and ritualistic purposes, often smoked or chewed for their stimulating and psychoactive effects. Some traditional applications involved topical use for pain relief or insect bites, but internal use is extremely dangerous due to high toxicity.
Active ConstituentsNicotine, Anabasine, Nornicotine
Preparation Methodspowder,poultice
Contraindications & WarningsDue to its high toxicity and potent psychoactive alkaloids, Nicotiana exigua is extremely dangerous for internal consumption and should not be used medicinally. It is highly addictive and contraindicated for pregnant or lactating individuals, those with heart conditions, hypertension, gastrointestinal issues, or neurological disorders. Even topical use should be approached with extreme caution due to potential absorption.
Cultivation NotesNicotiana exigua is generally easy to cultivate from seed, preferring full sun exposure and well-drained soil. It is drought-tolerant once established and can readily self-seed in suitable conditions.
Raritycommon
Description
Nicotiana exigua is an annual or short-lived perennial herb, typically growing with an erect stem. It features simple, often sticky, elongated leaves and produces small, tubular flowers that develop into capsules containing numerous seeds.
