Golden dewdrops (Duranta erecta) is an ornamental sprawling shrub commonly found in subtropical and tropical gardens all over the world. Its gentle purple blossoms are often visited by butterflies and hummingbirds. Golden dewdrops is considered a weed in Australia, South Africa and certain parts of East Asia.

The crown Flower has beautiful flowers that are used to make leis and were a favorite of the last queen of Hawaii. The outer petals of this flower curl back, and reveal what looks like a crown inside. The sap of this plant may cause skin irritation and can be considered toxic.

True to this plant's reputation, consumption of turkey berry can be extremely toxic to dogs, and warrants immediate veterinary attention. All parts of these plants contain several toxic substances which can cause loss of appetite, excessive drooling, vomiting, diarrhea, dilated pupils, confusion, behavioral changes, and weakness. In more severe cases, difficulty breathing, a lowered heart rate, coma, or even death may occur, so treat it as a medical emergency if your pet has come into contact with this plant.

Many species within the Cycas revoluta genus are highly toxic to dogs - if you suspect your dog has ingested any part of a sago palm plant, you should contact a vet immediately. The Sago palm is a very common ornamental and is the most common culprit. These plants contain high concentrations of the cycasin toxin, which is found throughout their structures but is most concentrated in their seeds. Ingesting even a small amount of cycasin can cause vomiting and diarrhea. Larger amounts can cause damage to the intestines and liver, coma, or death.

Palay rubbervine (Cryptostegia grandiflora) is a plant species that can grow to be 2 m tall when the plant is a shrub. When palay rubbervine is supported by other vegetation as a vine, it can reach up to 30 m in length. This species is native to Madagascar.

Flame lily (Gloriosa superba) is a climbing flowering plant also known as the tiger claw, fire lily, and creeping lily. Flame lily attracts sunbirds and butterflies. This plant is extremely toxic when ingested.

The common bushweed (*Flueggea virosa*) is a bushy shrub that produces white, waxy fruits favored by animals and birds. Native to Southern Africa on woodland margins and riverbanks, it has also become naturalized in Hawaii and parts of China, where it is invasive and disruptive to local ecosystems. Common bushweed branches are regularly used to create handmade fish traps.

Bird of paradise is generally considered non-toxic but can be poisonous when ingested in large quantities. Cases of poisoning are typically mild to moderate with symptoms including abdominal cramps, nausea, vomiting, and diarrhea. Cases of poisoning may be more serious in children. The fruit and seeds are considered to be the most toxic parts of the plant. The frequent use of this plant as a houseplant could be a factor in poisoning frequency. This plant can be mistaken for another more toxic species, Poinciana gilliesii, as they share the same common name, bird of paradise.

The blindness tree is a subtropical evergreen shrub that is endemic to Southeast Asia and China. Its sap is toxic and can cause blindness if you get it in your eyes. Its distinctive long, narrow leaves are dual-colored, being shiny dark green on one side and deep maroon on the other. The leaves also have a papery texture.

The seeds and bark of venom orange contain the toxin strychnine, which has been used for centuries in India to control pests. Its toxic properties also give it the name vomiting nut tree.

Lady of the night (Brunfelsia uniflora) is an evergreen tropical tree that will grow from 2.5 to 7 m tall. It blooms in spring with highly-fragrant, yellowish-white flowers. Perfume is made from the oil of the flowers. Blossoms attract butterflies and moths. Native to the Amazon, it prefers partial shade and moist, well-drained, slightly acidic soil.

The flowers of angel's trumpet (Brugmansia arborea) are highly aromatic. This species grows best in moist, well-drained soil.

True to this plant's reputation, consumption of potato can be extremely toxic to dogs, and warrants immediate veterinary attention. All parts of these plants contain several toxic substances which can cause loss of appetite, excessive drooling, vomiting, diarrhea, dilated pupils, confusion, behavioral changes, and weakness. In more severe cases, difficulty breathing, a lowered heart rate, coma, or even death may occur, so treat it as a medical emergency if your pet has come into contact with this plant.

If either ingested or touched, dieffenbachia can cause negative reactions. The symptoms range from moderate to severe and can be dangerous if airways are blocked. Due to the calcium oxalate contained in this plant, its leaves and sap have toxic properties. When ingested, they can induce symptoms such as lip and tongue swelling, drooling, speech loss, and difficulty breathing; when touched, they can cause a painful skin rash or eye irritation. Since these plants are often found indoors as decorative plants, be careful when keeping them around small children. Always wear gloves when handling this plant.

Mexican fireplant is native to tropical America, but it has been naturalized in other tropical and subtropical regions in the world. *Euphorbia heterophylla* is a poisonous plant to humans and livestock. It contains a toxic milky sap which can cause strong skin irritation.

In pop culture, poison ivy is a symbol of an obnoxious weed because, despite its unthreatening looks, it gives a highly unpleasant contact rash to the unfortunate person who touches it. Still, it is commonly eaten by many animals, and the seeds are a favorite with birds. The leaves turn bright red in fall. Its sister species, Western poison ivy (Toxicodendron rydbergii), is not considered to be invasive in the United States, but is noxious in Australia and New Zealand.

Although its berries look juicy and tempting, the fruits and the root of pokeweed are toxic and should not be eaten. Pokeweed is considered a pest species by farmers but is nevertheless often grown as an ornamental plant. Its berries can be made into pokeberry ink as well.

All parts of common columbine, including the stem, leaves, flowers, and seeds, are toxic when they are ingested raw. Contact with the plant's sap may also lead to dermatitis (skin irritation and inflammation). The symptoms from common columbine poisoning are likely to cause only mild to moderate effects, but the symptoms are not well-known, since there are few documented cases of it. Adverse effects are most likely to occur from accidental ingestion.

True to this plant's reputation, consumption of jerusalem cherry can be extremely toxic to dogs, and warrants immediate veterinary attention. All parts of these plants contain several toxic substances which can cause loss of appetite, excessive drooling, vomiting, diarrhea, dilated pupils, confusion, behavioral changes, and weakness. In more severe cases, difficulty breathing, a lowered heart rate, coma, or even death may occur, so treat it as a medical emergency if your pet has come into contact with this plant.

Rubber tree (Hevea brasiliensis) is a tropical evergreen tree that will grow to 43 m tall. When cut, it secretes a milky latex liquid that is used to make rubber. Can live up to 100 years old. Native to the Amazon rainforests and commonly found growing in low-altitude moist forests and wetlands. It produces fruit that when ripe bursts open to disperse its seeds up to 30 m or further for reproduction.