Sr.No.

Name of Plant/Family

Common Name/Hindi Name

Toxic Parts

Toxic Constituents

Fatal Dose

Fatal period

1.

Abrus precatorius (Fabaceae)

Rosary pea, Crab’s eyes,
Gunchi (Hindi)

Roots, seeds and leaves

Abrin, Abrine and Abrasine

1 - 2 seed or
90-120 mg/kg (Abrin)

3 – 5 days

2.

Aconitum napellus
(Ranunculaceae)

Indian aconite, Monkshood and  mitha zahar     (Hindi)

All parts especially Dried tuberous root

Aconitine, Pseudo Aconite, Indaconitine Bhikhaconitine,
Picraconitine,
and Aconine

1 - 2 gram (root)
1 - 2 mg (Aconotine)

2 to 6 h

3.

Adenia palmata
(Passifloraceae)

Fruit

Toxalbumin (Cyanogenic glycoside) and Emulsin (enzyme)

-

-

4.

Aesculus hippocastanum
(Hippocastanaceae)

Horse –chestnut,
conker

All parts especially seeds

Aescin and Aesculin

-

-

5.

Alocasia macrorrhiza
(Araceae)

Giant taro, Elephant ear

All parts

Calcium oxalate crystals
and toxic Proteins 

 1/30 to 1/15 of
 a grain

15 min

6.

Anamirta cocculus
(Menispermaceae)

Indian berry or fish berry

Fresh fruit

Picrotoxin and
Dihydro-picrotoxine

    -

-

7.

Antiaris toxicaria
(Moraceae)

Upas tree, Antiaris

Leaves and bark

α- Antiarin

LD - 0.116 mg/kg i.v. α- antiarin

2 – 3 days

8.

Argemone mexicana
(Papaveraceae)

Argemone and Sial-kanta (Hindi)

All parts especially seeds

Berberine, Protopine, Sanguinarine and
Dihydro-Sangunarine

     -

-

9.

Atropa belladonna
( Solanaceae)

Deadly nightshade

All parts

Atropine, Scopolamine, Hyoscyamine, and
Belladonnine

120 mg (atropine)
30 mg (hyoscine)

24 h

10.

Calotropis gigentea
(Apocyanaceae)

Calotropis and madar,
akdo(Hindi)

Juice and roots

Uscharin, Calotoxin,
Calactin and
Calotropin

0.12 mg/kg calotropin

12 to 24 h

11.

Cannabis sativa
(Cannabinaceae)

Indian hemp Hashish 

Bhang- Dried Leaves & fruit shoots
Majoon- Sweet prepared with bhang
Ganja- flowers top of female plant
Charas- resin of leaves and stems

Cannabin, Cannabinon
and Cannabinol

10 gm/kg b.wt.-bhang,
8 gm-ganja,
2 gram–charas

5 – 8 Days

12.

Capsicum annum
(Solanaceae)

Chillies and Mirch (Hindi)

Fruit

Capsaicin and Capsicin

-

-

13.

Cerbara odollum
(Apocynaceae)

Dabur , pilikirbir (Hindi)

Fruit and seed

Cerberin, Cerberoside,
Odollin, Odolotoxin,
Thevetin and Cerapain

Kernel of one fruit

1 - 2 days or more

14.

Cerbera thevetia
( Apocynaceae)

Yellow oleander and Pila kaner

All parts especially leaves & fruits

Thevetin, Thevetoxin,
Nerifolin, Peruvoside,
Ruvoside and Cerberin

8 - 10 seeds,15 - 20 g of root, 5 to 10 leaves 

Depend upon Quantity

15.

Cinchona officinalis
(Rubiaceae)

Cinchona

Bark

Quinine, Cinchonine
and Cinchonidine

8 - 10 g 

2 h to 2 days

16.

Citrullus colocynthis (Cucurbitaceae)

Indian wild gourd or bitter apple, bitter cucumber

Fruit, Root and dried pulp

Colocynthin

1 - 2 gramColocynthin

24 h to 2-3 days

17.

Cleistanthus collinus (Euphorbiaceae)

         -

Leaves and Bark

Cleistanthin

0.5 mg/kg (animals)

-

18.

Colchicum autumnale
(Colchicaceae)

Meadow saffron

Colchicine

Similar to arsenic poisoning

Similar to arsenic poisoning

19.

Conium maculatum (Apiaceae)

Poison hemlock

All parts

Coniine  and
Methyl Coniine

1 cm piece of plant 

-

20.

Crotolaria spectabilis
( Leguminosae)

Jhunjhunia (Hindi)

Mono-crotaline

65 mg/kg (chicken)

-

21.

Croton tiglium (Euphorbiaceae)

Croton oil seed and Jamal-gota (Hindi)

Seed and oil

Crotin-a toxal-bumine,
Tiglinic acids, Crotonic acid and Crotonoside

4 - 6 seeds,
1 - 2 ml oil

6 h to 3 days

22.

Cytissus scoparius(Leguminosae)

Yellow broom

Seed, leaves and twigs

Cytisine and Sparteine

-

-

23.

Datura fastuosa(Solanaceae)

Thorn apple and datura (Hindi)

All parts especially seeds and fruit

Atropine, Hyoscyamine, Hyscine and Dutarin

0.6 - 1 gram

24 h

24.

Dieffenbachia sp. (Araceae)

Dieffenbachia,
dumbcane

All parts

Cyanogenic Glycosides  and Calcium oxalate

-

-

25.

Digitalis purpurea(Terophularaceae)

Fox glove

Roots, leaves and seeds

Digitoxin, Digitalin
Digitalein and Digitonin

15-30 mg (Digitalin)
4 mg (Digitoxin)

1 h to 24 h

26.

Dioscorea hispida
(Dioscoreaceae)

Karukandu (Hindi)

Tubers

Spiro Alkaloid
Dioscorine

120 mg/kg on mice

27.

Erythroxylum coca
(Linaceae)

Coke, snow

Leaves

Cocaine, Procaine,
Butacaine and
Dibucaine

1 - 1.5 g Cocaine (Oral)   

15 min to 10 h

28.

Euphorbia helioscopia (Euphorbiaceae)

Sun spurge

Milky latex

Non-Haemolytic Saponin and Phasin

-

-

29.

Gloriosa superba (Liliaceae)

Superb lily, Flame lily and Kalihari (Hindi)

Tubers and roots

Colchicine, Superbine,
Gloriosine and
Glucosine

-

-

30.

Gossypium sp. (Malvaceae)

Kapas (Hindi)

Seed oil

Gossypol

2.57 g/kg (Rat)

31.

Hyoscyamus niger
(Solanaceae)

Henbane and Ajwayan (Hindi)

All parts

Atropine, Hyoscine and Hyscyamine

125mg (hyoscyamine)

24 h

32.

Jatropa multifida(Euphorbiaceae)

Bherenda (Hindi)

foliage and fruits

Curcin

-

-

33.

Lantana camara (Verbenaceae)

Lantana, bunch berry

Entire plant, especially the berries

Lantanine, Lancamarone  and
Lantadenes A,B

-

-

34.

Lasiosiphon eriocephalus
( Thymeleaceae)

Rameetha
(Hindi)

Stem, leaves and bark

Lasioside and
Lasiocephatin

0.5 mg/kg roots (cats)

-

35.

Lathyrus sativus (Fabaceae)

Gross pea, Khesari (Hindi)

Seeds

β-Aminopropionitrile, β-Cyanoalanine,2,4-diamino Butyric acid,  Selenium and
3-N-oxalyl-2,3-Di-
aminopropinoic acid

-

-

36.

Lobelia nicotiancefolia
(Campanulaceae)

Indian lobelia and deonal (Hindi)

All parts

Lobeline

10 mg (Lobeline),
 3.75 gram(leaves)

30 min to a day

37.

Manihot esculenta
(Euphorbiaceae)

Sakarkanda (Hindi)

Tubers

Cyanogenic Glycoside

 -

-

38.

Manihot utilissima
(Euphorbiaceae)

Cassava,
tapioca

Root and leaves

Linamarin- a Cyanogenic Glycoside

300 gram(adult)
125 g (child)
fresh root

-

39.

Mucuna prurita
(Leguminosae)

Velvet bean, Konch (Hindi)

Seeds

Mucunain,
Serotonin

-

-

40.

Myristica fragrans
( Myristicaceae)

Nutmeg,
Mace tree

Seeds

Myristicin and Elemicin

1 - 3 nutmegs (adult) 
2 nutmegs (child)

-

41.

Nerium odorum(Apocynaceae)

White oleander and Kaner (Hindi)

All parts

Neriodorin, Neriodorein and Karabin

15 - 20 g root
/ 24 - 36 hours

42.

Nicotiana tabacum
(Solanaceae)

Tobacco and tambaku (Hindi)

All parts except ripe seeds

Nicotine

60 - 100 mg nicotine or 2 gramtobacco

5 - 15 min

43.

Ochrocarpus longifolius(Gutiferae)

Naag kesar

All parts

Surangin A
and Surangin B

LD - 9 mg/kg
surangin A and
1 mg/kg surangin B
(Cats)

-

44.

Papaver somniferum (Papavaraceae)

Opium poppy and afim (Hindi)

Ripe and dried capsules, petals and seeds

Morphine,
Narcotine, Codeine
and Thebaine

2 gram(opium),
0.2 gram(morphine)
and 0.5 gram(codeine)

2 to 6 h

45.

Parthenium hysterophorus
( Compositae)

Carrot grass

Leaves and seeds

Parthenin

-

-

46.

Pegnum hermala
(Zygophyllaceae)

Wild rue

All parts

Harmaline, Harmine, Harmane, Harmalol,
Asicine,
Vasicinone

Harmaline-120 mg/kg (rat),
Harman-200 mg/kg (rabbit)

-

47.

Plumbago zeylanica (Plumbaginaceae)

Ceylon leadwort and chitra (Hindi)

Root 

Plumbagin

5 gm

Few days

48.

Prunus amygdalus
( Rosaceae )

Almond,
Baadam (Hindi)

Almond

Amygdalin

20 almonds (adult)
10 almonds (Child)

49.

Rauvolfia serpentina (Apocynaceae)

Chandrabhaga (Hindi)

Roots

Reserpine, Reserpidine, Reserpinine and
Serpentine

-

-

50.

Ricinus communis (Euphorbiaceae)

Castor bean, Erandi (Hindi)

Entire plant especially seeds

Recine and Recinine

6 mg of ricin
 (10 seeds)

2 to several days

51.

Semecarpus anacardium(Anacardiaceae)

Marking nut
And bhilawa (Hindi)

Juice

Semecarpol and
Bhilawanol

5 – 10 gm

12 – 24 h

52.

Solanum nigrum
( Solanaceae)

Black nightshade

Immature berries

Solanine and Steroids

-

-

53.

Strychnos nux-vomica(Loganiaceae)

Poison nut and  Kuchila (Hindi)

All parts especially seeds

Strychnine, Brucine and Vomicine

15 – 20 mg/kg
(1 seed - Oral)

1 – 2 h

54.

Thevetia peruviana
(Apocynaceae)

Suicide tree and Pila kaner (Hindi)

Seeds and milky juice

Thevetin A and
Thevetin B

Kernel of 01 fruit ,
2 leaves (child)

-