Nicotiana exigua
Image: Glasshouse (cc-by-nc)
NameNicotiana exigua
Scientific NameNicotiana exigua H.-M.Wheeler
Common NamesNative Tobacco, Wild Tobacco
Plant FamilySolanaceae
Natural HabitatNative to arid or semi-arid regions of Queensland, Australia, often found in disturbed areas or open woodlands.
Parts Usedleaf,flower,whole_plant
Medicinal Actionsanalgesic,nervine,sedative
Traditional UsesLike other Nicotiana species, N. exigua was traditionally used by indigenous Australians for ceremonial purposes, as a stimulant, or for its purported pain-relieving and sedative effects. It was often chewed, smoked, or applied topically, primarily for its psychoactive properties due to nicotine content.
Active Constituentsnicotine, nornicotine, anabasine
Preparation Methodsinfusion,powder,poultice
Contraindications & WarningsHighly toxic and addictive due to nicotine content. Should not be ingested or used without expert guidance. Contraindicated in pregnancy, lactation, heart conditions, hypertension, and by individuals sensitive to nicotine. Can cause severe poisoning, nausea, vomiting, dizziness, and respiratory paralysis.
Cultivation NotesThis species can be cultivated in a glasshouse environment, as indicated by the herbarium label. It generally prefers full sun and well-drained soil, typical of its native arid habitat. Propagation is usually by seed.
Rarityuncommon
Description
Nicotiana exigua is a herbaceous plant characterized by a basal rosette of relatively large, ovate to lanceolate leaves. It produces an erect, branching inflorescence bearing numerous small, tubular flowers, typical of the Nicotiana genus.
