| Common Poisonous House Plants | |||
| Common Name | Scientific Name | Toxic Parts | Symptoms Produced |
| Flamingo Flower | Anthurium | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Caladium | Caladium | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Clivia | Clivia | All plant parts contain lycorine | Ingestion produces nausea and diarrhea |
| Dumb Cane | Dieffenbachia | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Devil's Ivy | Epipremnum syn.Scindapsus | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Poinsettia | Euphorbia pulcherrima | Milky latex sap contains terpenes and diterpenes | Latex causes nausea, diarrhea, vomiting and irritaition if swallowed. Skin contact results in severe dermatological irritation. |
| Ivy | Hedera | leaves and berries contain hederin, a saponin | Ingestion produces burning sensation in throat and gastroenteritis. |
| Amaryllis | Hippeastrum | bulbs contain licorine | Ingestion causes nausea and diarrhea |
| Myrtle | Myrtus communis | All plant parts contain tannin and volatile oils | Ingestion causes nausea and vomiting |
| Swiss Cheese Plant | Monstera | Leaves contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Oleander | Nerium oleander | All plant parts contain glycosides | One leaf is fatal and will disrupt heart function, trigger circulatory failure and lead to death. |
| Oxalis | Oxalis | All plant parts contain oxalic acid | Ingestion causes nausea and vomiting and kidney inflammation. |
| Heart-Leaf Philodendron | Philodendron scandens | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Aralia | Polyscias | All plant parts contain saponins | Ingestion causes gastrointestinal irritation, nausea, vomiting and diarrhea. |
| Australian Umbrella Tree | Schefflera syn. Brassaia | All plant parts contain oxalic acid and saponins | Ingestion causes vomiting, loss of coordination, and other symptoms. |
| Jerusalem Cherry | Solanum pseudocapsicum | Fruit contains solanine, a highly toxic glyco-alkaloid | Ingestion causes burning sensation in mouth and throat, followed by gastric irritation, fever and diarrhea. |
| Peace Lily | Spathiphyllum | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
| Arrowhead Vine | Syngonium | All plant parts contain calcium oxalate | Intense irritation of the mucous membranes produces swelling of the tongue, lips and palate. |
|
New York Botanical Garden Plant Information Service
|
|||