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Killer PlantsChristy Marsden

@nerdyhort

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Plants Just Want to Survive

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Plant ‘Domestication’

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What defenses do plants have?

poke iburn

… or, po

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Castor Bean

Ricin

Ricinus communis

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Ricin

• Best inhaled or injected (1.78 mg)

•

Inhibits protein synthesis• Causes:

Diarrhea

Dehydration

Organ Failure

Circulatory Shock

Death

Georgi Markov

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Lily of the Valley

Cardiac glycosides, w

Blurry visionDiarrheaVomiting and nauseaDisorientationDrowsiness

HeadachesRashesExcessive salivationAlterations to cardiac Death

Convallaria majalis

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Lily of the Valley!

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Nightshades

Jimson weed, Dtura stramonium 

Angel’s Trumpet, Brugmansia spp.

Tobacco, Nic

Various alkaloids

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generally safe 

But don’t eat Deadly Nightshade , Atropa belladonna

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Rhododendrons and Oleanders

Nerium oleanderRhododendrons ponticum 

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Poison hemlockConium maculatum

Alkoloid coniine, which dis

the central nervous system

Results in respiratory collap

and death

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Safe: Queen Anne’s Lace, Daucus carota 

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Rhubarb LeavesRheum rhabarbarum

Oxalic acid , requiring

375mg/kg body weig

Breathing difficulty

Burning mouth, thro

Coma

Diarrhea

Eye painKidney stones

Vomiting and nausea

Red pee

Seizures

Weakness

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White Snakeroot Ageratina altissima

Tremetol, which comilk and meat of c

Causes milk sickne

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… but not all bad. 

Coffee, Coffea arabica

Chili pepper, Capsicum spp.

Cannabis spp.

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Questions?