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Poisonous
Plants Commonly Occurring in
Southern California |
| LATIN
NAME |
COMMON
NAME |
| Aesculus
californica |
California
Buckeye |
| Agapanthus
spp. |
Lily
of the Nile |
| Allium
spp. |
Wild
Garlic/Wild Onion |
| Alocasia
spp. |
Elephant's
Ear |
| Aloe
spp. |
no
common name |
| Amaryllis
spp. |
no
common name |
| Anagallis
arvensis |
Pimpernel |
| Anemone
spp. |
Pasque
Flower |
| Argemone
munita |
Prickly
Poppy |
| Aucuba
japonica |
Japanese
Aucuba |
| Brassica
spp. |
Mustard,
Wild Radish |
| Buxus
sempervirens |
Boxwood |
| Caladium
spp. |
no
common name |
| Calycanthus
spp. |
Allspice,
Sweetshrub |
| Cannabis
sativa |
You-Know-What |
| Capsicum
spp. |
Chili
Pepper |
| Caryota
spp. |
Fishtail
Palm |
| Cassia
fistula |
Golden
Shower |
| Catharanthus
roseus |
Periwinkle |
| Cestrum
nocturnum |
Night-Blooming
Jasmine |
| Chamaemelum
nobile |
Chamomile |
| Clematis
spp. |
no
common name |
| Clivia
spp. |
Kaffir
Lily |
| Colocasia
spp. |
Elephant's
Ear |
| Conium
maculatum |
Poison
Hemlock |
| Corynocarpus
laevigatus |
New
Zealand Laurel |
| Cotyledon
spp. |
no
common name |
| Crassula
arborescens |
Silver
Jade Plant |
| Crassula
argentea |
Jade
Plant |
| Cyclamen
europaeum |
Common
Cyclamen |
| Cytisus
spp. |
Broom |
| Datura
spp. |
Jimson
Weed |
| Dieffenbachia
spp. |
Dumbcane |
| Digitalis
purpurea |
Foxglove |
| Duranta
repens |
Golden
Dewdrop, Skyflower |
| Eriobotrya
japonica |
Loquat |
| Erythrina
spp. |
Coral
Tree |
| Eschscholzia
californica |
California
Poppy |
| Euphorbia
spp. |
various
common names |
| Gelsemium
sempervirens |
Carolina
Jessamine |
| Hedera
spp. |
Ivy |
| Hydrangea
macrophylla |
no
common name |
| Ilex
spp. |
Holly |
| Ipomoea
tricolor |
Morning
Glory |
| Iris
spp. |
no
common name |
| Kalanchoe
spp. |
no
common name |
| Lantana
camara |
no
common name |
| Lathyrus
odoratus |
Sweet
Pea |
| Ligustrum
vulgare |
Privet |
| Lobelia
cardinalis |
Cardinal
Flower |
| Lonicera
spp. |
Honeysuckle |
| Mahonia
spp. |
Holly
Grape, Barberry |
| Malus
spp. |
Apple |
| Mangifera
indica |
Mango |
| Melaleuca
quinquinervia |
Cajeput
Tree |
| Melianthus
major |
Honeybush |
| Mirabilis
jalapa |
Four-O'Clock |
| Monstera
deliciosa |
Cutleaf
Philodendron |
| Myoporum
laetum |
no
common name |
| Narcissus
spp. |
Daffodil |
| Nerium
oleander |
Oleander |
| Nicotiana
glauca |
Tree
Tobacco |
| Philodendron
spp. |
no
common name |
| Phoradendron
spp. |
Mistletoe |
| Prunus
spp. |
Apricot,
Peach, Plum |
| Ranunculus
spp. |
Buttercup |
| Rhamnus
californica |
Buckthorn |
| Rheum
rhabarbarum |
Rhubarb |
| Rhododendron
spp. |
Azalea,
Rhododendron |
| Ricinus
communis |
Castor
Bean |
| Robinia
pseudoacacia |
Black
Locust |
| Sambucus
caerulea, S. mexicana |
Elderberry |
| Schinus
molle |
California
Pepper |
| Schinus
terebenthifolius |
Brazilian
Pepper |
| Scilla
spp. |
Squill |
| Senecio
spp. |
various
common names |
| Solandra
spp. |
Chalice
Vine |
| Solanum
spp. |
various
common names |
| Symphoricarpos
spp. |
Snowberry |
| Taxus
spp. |
Yew |
| Thevetia
peruviana |
Yellow
Oleander |
| Viola
odorata |
Sweet
Violet |
| Wisteria
spp. |
no
common name |
| Zantedeschia
aethiopica |
Calla |
| Zigadenus
spp. |
Death
Camas |
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Plants
Causing Dermatitis Commonly Occurring in
Southern California
|
| LATIN
NAME |
COMMON
NAME |
**Achillea
millefolium
[PHYTOPHOTODERMATITIS] |
Yarrow |
**Agave
spp.
[IRRITATING SAP] |
various
common names |
| Allium
spp. |
Wild
Onion |
**Artemisia
spp.
[CONTACT DERMATITIS] |
Mugwort |
| Aster
spp. |
no
common name |
| Caladium
bicolor |
no
common name |
| Caryota
mitis |
Fishtail
Palm |
| Chrysanthemum
spp. |
Daisy |
**Citrus
aurantifolia
[PHYTOPHOTODERMATITIS]
|
Lime |
**Clematis
spp.
[IRRITATING SAP] |
Virgin's
Bower |
| Cynodon
dactylon |
Common
Bermudagrass |
**Daucus
carota
[PHYTOPHOTODERMATITIS] |
Carrot |
| Dichondra
repens |
no
common name |
| Dieffenbachia
spp |
Dumbcane |
| Erigeron
spp. |
Fleabane |
**Eucalyptus
globulus
[CONTACT DERMATITIS] |
Blue
Gum |
| Euphorbia
spp. |
various
common names |
| Ficus
carica |
Fig |
**Ficus
pumila
[PHYTOPHOTODERMATITIS] |
Creeping
Fig |
| Gingko
biloba |
Gingko
Tree |
| Grevillea
robusta |
Silk
Oak |
**Hedera
spp.
[CONTACT DERMATITIS] |
Ivy |
| Humulus
lupulus |
Hops |
| Hyacinthus
spp |
Hyacinth |
| Hydrangea
spp. |
Hydrangea |
| Iva
spp. |
Marsh
Elder |
| Juglans
nigra |
Black
Walnut |
**Larrea
tridentata
[CONTACT DERMATITIS] |
Creosote
Bush |
**Lupinus
hirsutissimus
[STINGING HAIRS] |
Stinging
Lupine |
**Lycopersicon
esculentum
[CONTACT DERMATITIS] |
Tomato |
| Maclura
pomifera |
Osage
Orange |
**Magnolia
grandiflora
[CONTACT DERMATITIS] |
Magnolia |
| Narcissus
spp. |
Daffodil |
**Nerium
oleander
[CONTACT DERMATITIS] |
Oleander |
**Opuntia
spp.
[STINGING HAIRS, DETACHABLE NEEDLES] |
various
common names |
| Parthenocissus
quinqefolia |
Virginia
Creeper |
| Parthenocissus
tricuspidata |
Boston
Ivy |
**Phacelia
imbricata
[STINGING HAIRS] |
no
common name |
| Phacelia
spp. |
various
common names |
| Philodendron
scandens |
Heartleaf
Philodendron |
| Philodendron
selloum |
no
common name |
| Phoradendron
serotinum |
Mistletoe |
| Plumbago
capensis |
Cape
Plumbago |
| Plumeria
rubra |
no
common name |
| Primula
obconica |
German
Primrose |
| Prosopis
glandulosa |
Mesquite |
| Ranunculus
spp. |
Buttercup |
| Ricinus
communis |
Castor
Bean |
| Rudbeckia
hirta |
Blackeyed
Susan |
**Ruta
graveolens
[PHYTOPHOTODERMATITIS] |
Rue |
| Schinus
terebenthifolius |
Brazilian
Pepper |
| Senecio
cineraria |
Cineraria,
Dusty Miller |
**Tagetes
minuta
[CONTACT DERMATITIS] |
Mexican
Marigold |
**Toxicodendron
diversilobum
[CONTACT DERMATITIS] |
Western
Poison Oak |
| Tulipa
spp. |
Tulip |
**Umbellularia
californica
[CONTACT DERMATITIS] |
California
Bay Laurel |
| Urtica
dioica |
Stinging
Nettle |
|
SOURCES:
1. Lampe,
Dr. Kenneth F. and Mary Ann McCann, AMA Handbook of
Poisonous and Injurious Plants, c.1985, American Medical
Association, Chicago
2. Fuller,
Thomas C. and Elizabeth McClintock, Poisonous Plants
of California, c.1986, University of California Press,
Berkeley.
Other Articles by Owen E. Dell
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