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.

Asthma-plant (Euphorbia hirta) is a ground-hugging spurge weed whose branches can grow to 61 cm long. It blooms from summer through early fall, dying off after the first frost. A milky sap will seep from broken stems or leaves. It can be a nuisance weed that reproduces rapidly.

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.

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 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.

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.

The barbados nut (Jatropha curcas) plant is cultivated throughout the world for ornamental uses because of its rapid growth. Since cattle will not consume the leaves, it works very well as a living fence around grazing areas. Oil is extracted from the nuts and used as a torch fuel and burns so well that the fires are not affected by strong winds!

The castor bean is important for its oil which is used as a lubricant, biodiesel ingredient, and rodent repellent, among other applications. The plants are now commercially planted globally, with India producing nearly 75% of the world's castor oil. Castor beans cannot be eaten because they contain a potent poison that's released if the seed is broken.

Opium poppy (*Papaver somniferum*) was first cultivated approximately 5,400 years ago by the lower Mesopotamians. The Sumerians called it “Hul Gil,” which means the “joy plant.” It is used in the production of medical painkillers. The tiny seeds are commonly added as a topping on bread buns, but most portions of the plant are toxic if eaten.

Devil's-backbone (Euphorbia tithymaloides) is a succulent species of spurge native to North and Central America. It has been planted in gardens since the 17th century and valued for its unique appearance and its habit of attracting hummingbirds. However, nearly all parts of this species are toxic and should not be consumed.

Plants of genus Buxus are widely present around the world as а hedge or garden ornamental plants, but they contain alkaloids, most notably buxin, which are toxic to animals.

All parts of the persian cyclamen contain toxins that are extremely hazardous to dogs, with the highest concentration in their tubers. Use caution if your dog is in a yard where persian cyclamen is found, especially if they enjoy digging. Symptoms range from lethargy to coma, and immediate veterinary care is needed to pump the canine's stomach to void the body of the toxin.

Poison sumac (Toxicodendron vernix) is a woody shrub whose oil causes an itchy, burning rash. It's considered more allergenic than poison ivy and poison oak. The sap from this plant is sometimes used to make a black varnish for woodworking.

Blackboard tree (Alstonia scholaris) is a perennial evergreen tree that can grow to 40 m tall. It is a tropical tree with fragrant clusters of showy white flowers that bloom in fall. The perfume-like scent of the blossoms is more obvious during the evenings. Most often planted as a street tree. Another common name for this tree is Devil’s tree.

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.

Common barberry is a shrub with unpleasant-smelling flowers and red berries. The flowers can be used to create yellow dye while the berries have culinary and medicinal uses in Iran and medicinal use in China that dates back 3,000 years. Despite this, common barberry can be a host to wheat rust that is highly damaging to grain crops in America.

Apple of Sodom, or Calotropis procera, is an extremely poisonous plant. The fruit of this plant ripens and bursts, causing the seeds to scatter. In Jamaica, the fibers inside of the fruit are collected and used to stuff pillows.

Upland Cotton (*Gossypium hirsutum*) is the most commonly planted agricultural cotton. An annual to perennial shrub whose large yellow to white cup-shaped flowers bloom in summer. Flowers are replaced by the cotton boll which contains the cotton fiber and about 36 seeds. Grows best in full sun and in clay sandy or loamy well-drained soil.

Striped barbados lily is perennial herbs with showy flowers but it contains toxic compounds, most notably alkaloids lycorine and tazetine, as well as calcium oxalate crystals.