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Wednesday, 07 January 2009
The Toxicity of Plants P - Z
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Written by Carl Hawkins   
Saturday, 30 September 2006
An alphabetical list of some of the more common plants, flowers, shrubs and trees follows. To see whether or not your plant is poisonous, look on the list and see which number follows. Then read the information below which corresponds to that number. If you have any questions, or if your plant is not listed, please call the poison center. Remember that all mushroom ingestions are treated as toxic (poisonous).
busybirds.

In general, plants considered poisonous to humans are considered to be poisonous to animals. However, there have been specific cases where animals have been poisoned by plants considered safe to humans. Also keep in mind that animals tend to eat larger amounts of plant materials than humans and that may account for the problems seen in animals.

NOTE: Even if a plant is listed as having major toxicity, a very small amount ingested may not result in symptoms. Call the poison center before initiating any treatment. A plant listed as being non-toxic may still cause problems: if a child bites off a piece of the plant and it sticks in the throat, choking or gagging may result.

1.  Non-toxic: These plants are not poisonous or there is no known record of toxicity. Exposure to these plants is not expected to cause any symptoms.

2.  Oxalates: The juice or sap of these plants contains microscopic oxalate crystals. Oxalate crystals are shaped like tiny needles. Chewing these plants may resultin pain and irritation of the mouth, lips and tongue. In severe cases, swelling of the throat may cause breathing difficulties. These plants usually cause problems in older children with a full set of teeth.

3.  Minor toxicity: Ingestion may cause some minor symptoms such as rash, vomiting or diarrhea. Ingestion of small amounts may not cause any symptoms at all
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4.  Major toxicity: Ingestions of these plants, especially in large amounts, are expected to cause serious effects to major body organs such as the liver, heart or kidneys. If ingested, call the poison center immediately for more advice.

5.  Dermatitis: Exposure to juice or sap from these plants or a puncture wound from the thorns may produce a skin rash or irritation. Skin wounds from some of these plants can be extremely painful causing large blisters and burning of the skin.

6.  Possibly toxic: Information on these plants is incomplete. Ingestions of small amounts would not be expected to cause problems.

7.  Animal toxicity: These plants are known to cause problems in animals

P  Q  R  S  T  U  V  W  X  Y  Z


Pachysandra terminalis   (Botanic name)   1
Palm    (Species)      1,5
Pansy  (Viola tricolor)      3
Paperwhites      (Narcissus pseudo-narcissus) 4,7
Passion Vine, Purple       (Gynura aurantiaca)   1
Peace Lily   (Spathiphyllum)   2
Peach Tree(Prunus persica)  4,7
Peony  (Paeonia officinalis)   4,5
Peperomia (Species)      1
Periwinkle   (Vinca minor)      6
Peruvian Lily      (Alstroemeria)     1
Persian Violet    (Exacum affine)   1
Petunia(Species)     1
Philadendron     (Species)     2,7
Phlox    (Botanic name)   1
Photina arbutifolia    (Botanic name)   4,7
Photina glabra   (Botanic name)   1
Photina fraseri   (Botanic name)   1
Pieris japonica  (Botanic name)    4,7
Piggyback Plant(Tolmiea menziesii)   1
Pilea    (Botanic name)   1
Pine Tree    (Pinus) 6,7
Pistache, Chinese    (Pistacia chinensis)   1
Pittosporum tobira    (Botanic name)   1,7
Plane Tree  (Platanus occidentalis)     1
Plumbago indica      (Botanic name)    6
Poinsettia   (Euphorbia pulcherrima)   3
Pokeweed  (Phytolacca americana)    3
Polka Dot Plant (Hypoestes Phylostachya)1
Pomegranate     (Punica granatum)     6
Portulaca oleracea   (Botanic name)   1
Potato Plant(Solanum tuberosum)4,7
Potentilla     (Botanic name)   1
Pothos (Epipreumnum aureum)    2
Prayer Plant(Maranta leuconeura)1
Pregnant Onion (Ornithogalum caudatum) 4,5,7
Pregnant Plant   (Kalanchoe pinnata)  1
Primrose     (Primulua vulgaris)     5
Primula(Botanic name)   5
Privet   (Lugustrum species)  3
Protea (Botanic name)    1
Pulmonaria officinalis      (Botanic name)    1
Purple Passion Vine(Gynura aurantiaca)    1
Purple Velvet Plant   (Gynura species)1
Pussywillow(Salix caprea)      5
Pyracantha (Botanic name)    3,5

Quince, Common     (Cydonia)      1
Quince, Flowering    (Chaenomeles speiosa)    1

Radermachera  (Botanic name)    1
Ranunculus (Botanic name)   3,5,7
Red Bud      (Cercis Canadensis)1
Redwood Tree   (Sequoia sempervirens)   3,5
Rex begonia      (Species)      2,3
Rhododendron  (Species)      4,7
Rhubarb Leaf     (Rheum species)2,5
Rosary Bead Plant   (Ceropegia woodii)    1
Rosary Beads    (Senecia rowleyanus)4,7
Rosary Bean      (Abrus)  4,7
Rosary Pearls    (Senecio rowleyanus)4,7
Rosary Vine(Ceropegia woodii)   1
Rose    (Rosa species)   1,5
Rose of Sharon (Hibiscus syriacus)     1
Rose Moss (Portulaca grandiflora)      1
Rudbeckia fulgida     (Botanic name)   5
Rubber Tree      (Ficus elastica decora)     1,5

Sago Plant  (Cycas revoluta)  4,7
Salvia   (Botanic name)   1
Santolina     (Botanic name)   1
Schefflera   (Brassaia actinophylla)      2,5,7
Sedum (Botanic name)   1,5
Sensitive Plant   (Mimosa pudica)1
Shasta Daisy     (Chrysanthemum maximum)    3,5
Shell Flower(Pistia stratiotes)2
Shrimp Plant      (Beloperone guttata)  1
Silk Tree    (Albizzia)       1
Silver King  (Aglaonema)1
Silver Mound      (Artemisia schmidtiana)   4,7
Snake Plant(Sansevieria trifasciata)   1
Snapdragon(Antirrhinum species)1
Snowball Bush   (Viburnum)   1
Snowberry   (Symphoricarpos racemosus)3
Snow on the Mountain     (Aegopodium podogaria) 1
Snow on the Mountain     (Euphorbia marinata) 4,5,7
Sparaxis      (Botanic name)   1
Spathiphyllum    (Botanic name)    2
Sphagnum Moss       (Botanic name)   1
Spider Plant(Clorophytum comosum)  1
Spirea  (Botanic name)   1
Split Leaf Philadendron   (Monstera deliciosa)  2
Spruce Tree       (Picea species)  6,7
Spurge, Leafy    (Euphorbia esula)       3,5,7
Starfish Flower   (Stapelia)     1
Stargazer Lily     (Lilium)  1
Star Jasmine     (Trachelospermum jasminoides      1
Statice (Linonium species)     1
Stella d'oro (Hemerocallis)     6
Stephanotis(Botanic name)   5
St. John's Wort  (Hypericum calycinum)     4,5,7
Strawberry Tree(Arbutus unedo)   1
Strawflower(Helichrysum bracteatum)  1
String of Hearts (Ceropegia woodii)   1
String of Pearls (Senecio rowleyanus, herreianus)   4,7
Swedish Ivy (Plectranthus australis)     1
Sweet Pea (Lathyrus odoratus)     3,7
Sweet Violets    (Viola odorata)    6
Sweet William   (Dianthus barbatus)    3
Sweet Woodruff(Asperula odorata)      1
Sycamore   (Platanus)     1

Ti Plant (Cordyline terminalis)1
Tomato (Lycopersicon lycospersicum)4,7
Torch Lily     (Kniphofia)   1
Toyon   (Photinia arbutifolia)   4,7
Transvaal Daisy (Gerbera jamesoni)   1
Trumpet vine      (Campsis radicans)   5
Trumpet Vine     (Dictictis buccinatoria)      5
Tuberose    (Polianthes tuberose)3,7
Tulip     (Botanic name)   5

Umbrella Plant   (Cyperus alternifolius)3
Umbrella Tree    (Schefflera actinophylla)   2,5

Verbena      (Species)     5
Veronica     (Botanic name)   1
Viburnum    (Species)     6
Vinca Major(Botanic name)   3
Vinca Minor(Botanic name)   3
Viola     (Species)    3
Virginia Creeper(Parthenocissus quinquefolia)2

Walnut Tree, Black    (Juglans nigra)    4,5,7
Wandering Jew (Tradescantia albiflora)     5
Wandering Jew (Zebrina pendula)1
Watsonia    (Botanic name)   1
Wax Plant   (Hoya cornosa)    1
Weeping Fig      (Ficus benjamina)      5
Weigelia     (Botanic name)    1
Western Blue Flag    (Iris missouriensis)    3,5,7
Willow  (Salix)    1
Windflower (Anemone japonica)   4,7
Wisteria      (Botanic name)    4,7

Xylosma      (Botanic name)   1

Yarow   (Achillea millefolium) 3,5
Yellow Locust     (Robinia pseudoacacia)   4,7
Yellow Jessamine     (Gelsemium)        4,5,7
Yew      (Taxus species)  4,7
Yucca   (Botanic name)   1

Zebra Plant (Calathea zebrina)     1
Zebra Plant (Cryptanthus zonatus)1
Zinnia   (Botanic name)   1

 

 
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