Gaillardia is a genus of flowering plants in the family Asteraceae, native to North and South America. It was named after Maître Gaillard de Charentonneau, an 18th-century French magistrate who was an enthusiastic botanist. The common name may refer to the resemblance of the inflorescence to the brightly patterned blankets made by Native Americans, or to the ability of wild taxa to blanket the ground with colonies. Many cultivars have been bred for ornamental use.
Zinnia is a genus of plants of the tribe Heliantheae within the family Asteraceae. They are native to scrub and dry grassland in an area stretching from the Southwestern United States to South America, with a centre of diversity in Mexico. Members of the genus are notable for their solitary long-stemmed 12 petal flowers that come in a variety of bright colors. The genus name honors German master botanist Johann Gottfried Zinn (1727–59).
Nolina is a genus of tropical xerophytic flowering plants, with the principal distribution being in Mexico and extending into the southern United States. They are large, dioecious plants.
Melampodium is a genus of flowering plants in the sunflower family.
Monarda is a genus of flowering plants in the mint family, Lamiaceae. The genus is endemic to North America. Common names include bergamot, bee balm, horsemint, and oswego tea, the first being inspired by the fragrance of the leaves, which is reminiscent of bergamot orange. The genus was named for the Spanish botanist Nicolás Monardes, who wrote a book in 1574 describing plants of the New World.
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.
Bouteloua is a genus of plants in the grass family. Members of the genus are commonly known as grama grass.
Lippia is a genus of flowering plants in the verbena family, Verbenaceae. It was named after Augustus Lippi, (1678-1705), a French naturalist and botanist. He was killed in Abyssinia. The genus contains roughly 200 species of tropical shrubs that are found around the world. Plants are fragrant due to their essential oils, which vary between species but may include estragole, carvacrol, linalool, or limonene. The leaves of certain species, such as L. graveolens, can be used as a culinary herb similar to oregano.
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.
Hedeoma is a genus of flowering plants in the mint family, Lamiaceae. It is native to North and South America. They are commonly known as false pennyroyals.
Fraxinus velutina, the velvet ash, Arizona ash or Modesto ash, is a species of Fraxinus native to southwestern North America, in the United States from southern California east to Texas, and in Mexico from northern Baja California east to Coahuila and Nuevo León.
Berlandiera is a genus of flowering plants in the family Asteraceae.
Acleisanthes is a genus of flowering plants in the Bougainvillea family, Nyctaginaceae. There are currently 16 species. The generic name is derived from the Greek words ακλειοτος (akleistos), meaning "not closed", and ανθος (anthos), meaning "flower". Plants of this genus are known commonly as trumpets due to the elongated, open-ended shape of their flowers. These are arid-adapted perennials with thick taproots which are usually compact and low to the ground or slightly ascending. An individual plant may have cleistogamous flowers as well as opening flowers which are usually nocturnal as a water-saving adaptation and are pollinated by night-flying or crepuscular insects such as hawkmoths. Flowers are usually white, sometimes yellow. These plants are native to the Chihuahuan and Sonoran Deserts of Mexico and the United States.
Psilostrophe, the paperflowers is a genus of North American plants in the sneezeweed tribe within the sunflower family.
Hilaria is a genus of North American plants in the grass family. Members of the genus are commonly known as curly mesquite. They are found in the Southwestern United States, Mexico, and Guatemala.
Flourensia is a genus of flowering plants in the family Asteraceae. It contains subshrubs and shrubs, which are commonly known as tarworts. They are found in the southwestern United States, Mexico, Central America, and South America. The genus name honours French physiologist Jean Pierre Flourens (1794–1867).
Ratibida is a genus of North American plants in the tribe Heliantheae within the family Asteraceae. Members of the genus are commonly known as prairie coneflowers or mexican-hat.
Lippia graveolens, a species of flowering plant in the verbena or vervain family, Verbenaceae, is native to the southwestern United States, Mexico, and Central America as far south as Nicaragua. Common names include: Mexican oregano, redbrush lippia, orégano cimarrón, scented lippia, and scented matgrass. The specific epithet is derived from two Latin words: gravis, meaning 'heavy', and olens, meaning 'smelling'. It is a shrub or small tree, reaching 1–2.7 m (3.3–8.9 ft) in height. Fragrant white or yellowish flowers can be found on the plant throughout the year, especially after rains.
Tridens is a genus of perennial grasses in the family Poaceae native to the Americas.
Amoreuxia is a genus of flowering plants in the achiote family, Bixaceae. It was formerly placed in the family Cochlospermaceae. Members of the genus are commonly known as yellowshow. They are native to Mexico, Central America, Colombia, Peru, Curaçao, and the southwestern United States.
- Amoreuxia gonzaleziiSprague & L.Riley – Santa Rita Mountain yellowshow - Sonora, Sinaloa, Jalisco, southern Arizona
- Amoreuxia malvifoliaA.Gray - Chihuahua, Durango
- Amoreuxia palmatifidaMoc. & Sessé ex DC. – Mexican yellowshow - Mexico, Central America, Colombia, Arizona, New Mexico
- Amoreuxia wrightiiA.Gray – Wright's yellowshow - Curaçao, Peru, Chihuahua, Durango, Coahuila, Nuevo León, San Luis Potosí, Tamaulipas, Campeche, Yucatán, Quintana Roo, Campeche, Texas
