Silphium is a genus of North American plants in the tribe Heliantheae within the family Asteraceae.
Echinocactus is a genus of cacti in the subfamily Cactoideae. The generic name derives from the Ancient Greek ἐχῖνος (echînos), meaning "spiny," and cactus. It and Ferocactus are the two genera of barrel cactus. Members of the genus usually have heavy spination and relatively small flowers. The fruits are copiously woolly, and this is one major distinction between Echinocactus and Ferocactus. Propagation is by seed.
Amorpha is a genus of plants in the pea family, Fabaceae. All the species are native to North America, from southern Canada, most of the United States (US), and northern Mexico. They are commonly known as false indigo. The name Amorpha means "deformed" or "without form" in Greek and was given because flowers of this genus only have one petal, unlike the usual "pea-shaped" flowers of the Faboideae subfamily. Amorpha is missing the wing and keel petals.
Sanvitalia ), the creeping zinnias, is a genus of flowering plants belonging to the family Asteraceae. They are native to mostly to Mexico, with a few species in Central America, South America, and the Southwestern United States.
Guizotia abyssinica is an erect, stout, branched annual herb, grown for its edible oil and seed. Its cultivation originated in the Eritrean and Ethiopian highlands, and has spread to other parts of Ethiopia. Common names include noog/nug ; ramtil or ramtilla; niger or nyger seed ; inga seed; and blackseed.
Physostegia, the lionshearts or false dragonheads, is a genus of flowering plants in the family Lamiaceae, native to North America. They are erect rhizomatous herbaceous perennials inhabiting damp, sunny places. They grow up to 2 m (7 ft) tall with purple or pink tubular flowers in racemes in summer.
Ammoselinum is a genus of flowering plant in the family Apiaceae, known commonly as sandparsley. It is native to temperate North and South America.
Thymophylla is a genus of perennial flowering plants in the tribe Tageteae within the family Asteraceae. Pricklyleaf is a common name for plants in this genus.
Guizotia is a genus of African herbs in the family Asteraceae. They are often known as sunflecks. The species Guizotia abyssinica is occasionally found outside of cultivation in Europe, North America and Asia.
Valerianella is a genus of flowering plant in family Caprifoliaceae. Many plants of this genus are known by the common name corn salad or cornsalad, although that name most often refers to Valerianella locusta.
Psilostrophe, the paperflowers is a genus of North American plants in the sneezeweed tribe within the sunflower family.
Sigesbeckia is a genus of annual plants in the family Asteraceae. St. Paul's wort is a common name for some of the species. Sigesbeckia is widely distributed and has been traditionally used for the management of chronic diseases, including arthritis.
Simsia is a genus of flowering plants in the tribe Heliantheae within the family Asteraceae. It includes annuals, herbaceous perennials, and shrubs. They range from the western United States south through Central and South America to Argentina, with the center of diversity occurring in Mexico. The genus is named for British physician and botanist John Sims (1749–1831). Although some species are relatively rare, others have become common weeds that line the roadsides and fields of Mexico, often forming dense stands mixed with Tithonia and other Asteraceae. Some species are known by the common name bushsunflower.
Schkuhria is a genus of flowering plants in the tribe Bahieae within the family Asteraceae. False threadleaf is a common name. The genus was named in honour of Christian Schkuhr (1741-1811), a German gardener and physical scientist at the University of Wittenberg.
Melanthera, is a genus of perennial flowering plants in the family Asteraceae, native to North and South America, as well as Africa, Asia and Oceania, including Hawaiʻi.
Rumfordia is a genus of Mesoamerican plants in the tribe Millerieae within the family Asteraceae.
Polymnia is a genus of American plants in the sunflower family. It is the only genus in the tribe Polymnieae. Several species are known by the common name leafcup.
Chaetopappa bellidifolia , called the Edwards lazy daisy, or whiteray leastdaisy, is a North American species of plants in the family Asteraceae. It has been found only in central Texas, largely in the Edwards Plateau.
Symphoricarpos microphyllus, the pink snowberry, is a North American species of flowering plant in the honeysuckle family. It is widespread across much of Mexico from Chihuahua to Chiapas, and found also in Guatemala, Honduras, and the US State of New Mexico.
Cuscuta compacta, the compact dodder, is a parasitic plant that specializes on woody plants. This species is distributed across the Eastern and Midwestern USA, Eastern Canada, and Mexico.
