Nicotine , a course occurring alkaloid , is commonly associated with tobacco ( Nicotiana tabacum ) , but it is also found in vary concentrations across many other plant life . These plant , many of which belong to the Solanaceae family .

Plants With High Nicotine Content

Tobacco ( Nicotiana tabacum )

The primary source of commercial-grade nicotine , tobacco contain the high concentration of nicotine among plants . Its leave of absence are rich in this chemical compound , making it widely used for smoke , manduction , and as a pesticide .

fantastic Tobacco ( Nicotiana rustica )

Known for its even higher nicotine capacity than cultivated tobacco , this species is traditionally used in indigenous rituals and for medicative intention .

tree diagram Tobacco ( Nicotiana glauca )

A drought - resistant bush , Sir Herbert Beerbohm Tree baccy bring about nicotine as a defense chemical mechanism , mainly in its leaves and stems .

Tomatoes ( Solanum lycopersicum )

A common fruiting plant life , tomatoes turn back trace amount of nicotine , mostly concentrated in the leaves and fleeceable , unripe fruit .

tater ( Solanum tuberosum )

Potatoes have low degree of nicotine , primarily in the farewell and sprout . The chemical compound is less hard in the Tuber .

Eggplant ( Solanum melongena )

Solanum melongena ( aubergines ) are another source of nicotine , with the highest concentrations found in the seed and skin .

pepper ( Capsicum annuum )

Certain varieties of peppers , include gong peppers and chili peppers , turn back little amounts of nicotine in their farewell and fruits .

Nightshade ( Solanum nigrum )

This wild plant arrest nicotine as part of its rude chemical defense system , although it is more toxic due to additional alkaloids .

Jimsonweed ( Datura stramonium )

A member of the nightshade family , common thorn apple has nicotine and other alkaloids that make it highly toxic and hallucinogenic .

Belladonna ( Atropa belladonna )

Also known as baneful nightshade , this industrial plant hold nicotine in modest amounts alongside other stiff alkaloid , bring in it extremely venomous .

Petunias ( Petunia spp . )

Ornamental petunias , close congener of baccy , contain nicotine in their stems and farewell , although at much lower concentration .

Cocoa ( Theobroma cacao )

drinking chocolate industrial plant , while mainly jazz for their caffein substance , also contain trace sum of nicotine in their leave of absence .

Coca ( Erythroxylum coca )

The leave of absence of the coca plant , famous for their character in bring forth cocain , contain small amounts of nicotine as well .

Lobelia ( Lobelia inflata )

Commonly call Indian tobacco plant , lobelia contains lobeline , a compound similar to nicotine , and little quantity of real nicotine .

Nicotiana alata

A flowering ornamental tobacco plant , it produces nicotine in its leaves and staunch as a natural pest hindrance .

Nicotiana sylvestris

This idle tobacco works contains pregnant nicotine levels and is often used in baccy breeding programme .

Nicotiana benthamiana

Widely used in plant biology research , this species has moderate nicotine levels in its leaves .

Ground Cherry ( Physalis peruviana )

make love for its edible yield , ground cherry leave comprise tracing amounts of nicotine , contributing to its insect - repelling properties .

Solanum dulcamara

ordinarily live as bittersweet nightshade , this plant has little amounts of nicotine , primarily in its shank and leaves .

Tobacco Tree ( Solanum mauritianum )

Native to South America , the tobacco Sir Herbert Beerbohm Tree contains nicotine and is used for its pesticidal place in traditional farming .

pepper frutescens

A hot black pepper species , including varieties like tabasco , contains nicotine in shadow amounts alongside capsaicin , its primary bioactive chemical compound .