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Plants with Known Toxicity

List of toxic plants

This is a list in progress, far from complete, added on as I do the updating of the medicinal plants for scientifc studies. While some are known in the rural grapevine for their toxicity, many, surprisingly, are not. The toxicities are quite varied: arrow poison use, abortifacient properties. hallucinogenic effects, liver, renal, and other organ toxicities. Many have short-term gastrointestinal effects. Some toxicities are dose-dependent; some are toxic simply because of over-consumption of certain plant parts. Sometimes toxicity is brought about by herb-drug interactions. Some have caused accidental deaths, while some have been used with suicidal or homicidal intent.

Abuab / Lophopetalum toxicumBali-bali
Belladona / Atropa bella dona
Bias-biasan (Paspalum scrobiculatum)
Binahian / Star gooseberry
Buta-buta / Excoecaria agallocha
Calico flower (Dutchman’s pipe)
Campanero / Yellow bell / Cascabela thevetia
Castor plants
English rubber vine
Estrella / Star of Bethlehem
Komprey (Comfrey)
Lanot (Senecio scandena)
Luhang dalaga / Zig-zag plant / Euphorbia tithylamoides
Nami (Intoxicating yam)
Nandina / Sacred bamboo
Paraiso (Bead tree)
Pong-pong / Cerebra odollam
Putat / Fish killer tree
Saga / Rosary bead
Sirit-sirit / African tulip tree
Talong-talongan / Bitter apple
Talumpunay / Thorn apple
Tangan-tangan (castor oil plant)
Trompeta / Brugmasia suaveolens
Tubang-bakod / Purging nut tree
Tubli / Poison vine
Saga / Rosary beads
Wolfsbane / devil’s helmet / Aconitum spp.


wolfsbane, english yew *taxus baccata, Belladona /Atropa belladona/ lubi-lubi, deadly nightshade; pong pong, cerbera odollam, suicide tree, othalanga
Updated August 2019
If you are aware of a plant in the medicinal plant compilation with known toxicity not included in the above list. please send the name to: <godofredo.stuart@yahoo.com>
Additional Sources and Suggested Readings
Beware, These Philippine Plants Could Kill You / Pinoy Top Tens
New plant names needed
The compilation now numbers about 1,100 medicinal plants. I believe there are hundreds more that can be added to the collection. The last 100 plants came with great difficulty, many by happenstance, some by suggestion of site visitors. The basic information needed is the local plant name, any known folkloric medicinal use, with a scientific name (preferably) or a photo. Your help will be greatly appreciated.
© Godofredo U. Stuart Jr., M.D. / StuartXchange

It is not uncommon for links on studies/sources to change. Copying and pasting the information on the search window or using the DOI (if available) will often redirect to the new link page. (Citing and Using a (DOI) Digital Object Identifier)

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