Zinnia is a genus of plants of the sunflower tribe within the daisy 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 flowers that come in a variety of bright colors. The genus name honors German master botanist Johann Gottfried Zinn (1727–59).
Manihot is a genus in the diverse milkspurge family, Euphorbiaceae. It was described as a genus in 1754.
Agastache is a genus of aromatic flowering herbaceous perennial plants in the family Lamiaceae. It contains 22 species, mainly native to North America, one species native to eastern Asia. The common names of the species are a variety of fairly ambiguous and confusing "hyssops" and "mints"; as a whole the genus is known as giant hyssops or hummingbird mints.
Bouteloua is a genus of plants in the grass family. Members of the genus are commonly known as grama grass.
Hymenocallis (US) or (UK) is a genus of American plants in the amaryllis family.
Trixis is a genus of shrubs in the aster family, Asteraceae, native to North and South America including the West Indies.
Adenophyllum is a small genus of plants in the marigold tribe within the sunflower family. It contains ten species known generally as dogweeds.
Tithonia is a genus of flowering plants in the sunflower tribe within the family Asteraceae.
Callisia is a genus of flowering plants in the spiderwort family, Commelinaceae. Members of the genus are commonly known as roselings. It is native to the Western Hemisphere from the southern United States to Argentina. The generic name is derived from the Greek word καλλον (kallos), meaning "beauty."
Tridax is a genus of flowering plants in the daisy family.
Sabazia is a genus of Colombian and Mesoamerican plants in the blackfoot tribe within the daisy family.
Lasianthaea is a genus of flowering plants in the daisy family. The species are native primarily to Mexico, with one species extending just over the border into the United States and another south to northwestern South America.
Montanoa is a genus of flowering plants in the sunflower tribe within the daisy family.
Gibasis is a genus of flowering plants within the Commelinaceae family, first described in 1837. It is native to the Western Hemisphere from Texas and the West Indies south to Argentina, with most of the species native to Mexico.
Echeandia is a genus of New World plants in the century plant subfamily within the asparagus family. It is named for Spanish botanist Pedro Gregorio Echeandía (1746–1817). Species in the genus are distributed from the south-western United States south to north-western Argentina, southern Bolivia, and southern Peru. They are herbaceous perennials with corms and enlarged storage roots. The narrow leaves are held in basal rosettes. Flowers are in loose racemes and may be yellow, orange, white or cream.
Cunila is a genus of plants in the Lamiaceae, first described in 1759. It is native to North and South America.
- Cunila angustifoliaBenth. - southern Brazil, Misiones Province of Argentina
- Cunila crenataGarcía-Peña & Tenorio - State of Durango in Mexico
- Cunila fasciculataBenth. - southern Brazil
- Cunila galioidesBenth. - Brazil
- Cunila incanaBenth. - southern Brazil, Argentina
- Cunila incisaBenth. - southern Brazil
- Cunila leucanthaKunth ex Schltdl. & Cham. - Mexico, Central America
- Cunila lythrifoliaBenth. - central + southern Mexico
- Cunila menthiformisEpling - southern Brazil
- Cunila menthoidesBenth. - Uruguay
- Cunila microcephalaBenth. - southern Brazil, Argentina, Uruguay
- Cunila origanoides(L.) Britton - central + eastern United States from Texas and Kansas east to New York and Georgia
- Cunila platyphyllaEpling - southern Brazil
- Cunila polyanthaBenth. - Mexico, Central America
- Cunila pycnanthaB.L.Rob. & Greenm. - Mexico
- Cunila ramamoorthianaM.R.Garcia-Pena - Mexico (Guerrero)
- Cunila spicataBenth. - southern Brazil, Argentina, Uruguay, Paraguay
- Cunila tenuifoliaEpling - southern Brazil
Tripogandra is a genus of flowering plants in the spiderwort family, Commelinaceae. It is native to the Western Hemisphere from central Mexico and the West Indies south to Argentina.
Dictyanthus is a genus of plant in family Apocynaceae, first described as a genus in 1844. It is native to Mexico and Central America
Chondrosum is a genus of North American and South American plants in the grass family.
