The grain of grain sorghum is utilized for human consumption, animal feed, and ethanol manufacturing. It is commonly grown in tropical and subtropical countries, originating in Africa. The grain is used to make liquor, animal feed, and bio-based ethanol, among other things.

An important subsistence crop, pearl millet is hardy and drought-tolerant. Also known as Cenchrus americanus, it grows well near deserts where the rainfall is low. It has been cultivated in the United States since the 1850s and there are records of this important crop being grown since 2000 B.C.

Alfalfa (Medicago sativa) is a perennial flowering plant in the legume family of Fabaceae. The common name alfalfa is mainly used in North America. In the rest of the world, this crop is called "lucerne." This plant looks similar to clover due to its purple flowers.

Hordeum vulgare or barley is an important cereal grain that's grown globally. It's commonly used in soups, stews, breads, and as a source of malt for alcoholic beverages like beer. The economic value of its trade globally is over $33 billion.

Ficus carica, colloquially known as the common fig, is a deciduous small tree or shrub widely known for its sweet, chewy fruits. This shrubby plant has a very, very long cultivation history. The earliest evidence of its cultivation was found in the Jordan Valley and go all the way back to the tenth millennium BC.

Aloe vera is an evergreen succulent species native to the Arabian Peninsula. The thick leaves are filled with gooey flesh that stores water for survival in its native desert territories. Aloe vera has become a popular houseplant and is also incorporated into a wide range of cosmetics and skin-care products.

While the redroot amaranth is considered a weed in most areas, some parts are edible. Fresh leaves may be included in soups and stews, while the dried leaves can be utilized in tea or ground into flour for bread or used as a thickening agent. Seeds can also be eaten, but the stalks, roots, and older leaves contain toxic substances. Redroot amaranth is sometimes used as fodder for livestock - it is nutritious in small amounts but toxic if too much is fed over a span of several days.

Flaxleaf fleabane (Erigeron bonariensis) is an annual plant with distinctive blue-green foliage. Flaxleaf fleabane is considered a weed. This species is often found growing along concrete cracks in driveways and sidewalks. Tt is also found in pastures, gardens and roadsides. Flaxleaf fleabane produces many seeds, which are dispersed by wind and transported by animals, vehicles and people.

Silverleaf nightshade (Solanum elaeagnifolium) is a common weed that grows throughout North America, South America, and Africa. In South Africa, it is called "Satan's bush". Ingestion of silverleaf nightshade is thought to be toxic to horses.

Rumex crispus, commonly known as curly dock, is a perennial plant that grows in temperate regions of the Northern Hemisphere. It is a very adaptable plant, flourishing in a variety of different habitats including roadsides, the edges of woodlands, meadows, and shorelines. Some moth species like to lay their eggs on curly dock leaves.

An important food crop in some areas, zombi pea, or Vigna vexillata, is a perennial climbing plant that thrives in a variety of conditions. In addition to being cultivated for its tubers, it is also grown as a ground cover and green manure.

The Delphinium elatum is a beautiful ornamental plant, which includes cultivars 'Magic Fountains', 'Dwarf Pacific', 'New Millennium', 'Pacific giant', and 6 varieties of 'Aurora'. It was first referred to as its scientific name by the Greek botanist and physician Pedanius Dioscorides.

People make mustard from the seeds of the white mustard (Sinapis alba) plant and picklers add the seeds to pickled vegetables to prevent the growth of mold and bacteria. In California the Napa Valley Mustard Festival is celebrated from winter to spring when the plant's green and gold blossoms appear in vineyards all over the region.

The chaste tree (Vitex agnus-castus) is a flowering shrub that thrives in subtropical regions. While it prefers full sun, it can grow with partial shade and tolerate temperatures as low as -23 ℃. The chaste tree has been cultivated in Europe dating back to Ancient Greece. Modern use focuses on creating essential oils from the leaves and fruits.

African horned cucumber’s unique appearance makes it easily identifiable. The fruit is covered in horn-like protrusions, which is why it is occasionally called the 'horned melon'. It provides water in the Kalahari Desert in the dry season. When the fruit becomes overly ripe it bursts open, scattering the numerous seeds.

Yellow nutsedge (Cyperus esculentus) is a perennial plant that is found throughout much of the eastern hemisphere, where it is often cultivated for its edible tubers. The tubers, commonly called “tiger nuts,” can be crushed in water and then strained to create a milky beverage called “horchata.”

Common morning glory natives in Mexico and Central America and is commonly planted as an ornamental plant prized for its colorful trumpet-shaped flowers. It is naturalized in temperate and subtropical areas globally and in many places, always grown weedy and is considered to be invasive in many parts of the world.

Tropical almond is grown commonly as an ornamental tree. It is prized for its ability to provide shade with its large leaves. These leaves are commonly used in aquariums by fish breeders for their ability to lower the pH and heavy metal content of the water. Although the fruit of the tropical almond is edible, the taste is slightly acidic.

The habanero pepper is frequently used as a spice for food. The term "Chinese" suggests that the plant is from China, but this pepper originated from Colombia and Brazil. It is one of the hottest chilis known. The fruits' flavor has been compared to a mixture of pepper and garlic, with overtones of citrus and raisins.

Common bean is one of the most widely produced cash crops in the world, with 23.6 million tons grown in 2016. China is the largest producer of common bean, accounting for 79% of the market share. While common bean is known as a staple food source, the leaves can be used to trap bedbugs and the beans are widely used in a type of fortune-telling called "pharmancy".