Tigridia, is a genus of bulbous or cormous flowering plants belonging to the family Iridaceae. With common names including peacock flowers, tiger-flowers or shell flowers, they have large showy flowers; and one species, Tigridia pavonia, is often cultivated for this. The approximately 60 species in this family grow in the Americas, from Mexico down to Chile.
Scinax is a genus of frogs, commonly known as snouted treefrogs, in the family Hylidae. The genus is found from eastern and southern Mexico to Argentina and Uruguay, and in Trinidad and Tobago, and Saint Lucia. Member species are small to moderate-sized tree frogs, drably colored. Duellman and Wiens resurrected this genus in 1992. The name originates from the Greek word skinos, meaning quick or nimble.
Libertia is a genus of monocotyledonous plants in the family Iridaceae, first described as a genus in 1824. It is native to South America, Australia, New Guinea, and New Zealand. Eight species are endemic to New Zealand.
Olsynium is a genus of summer-dormant rhizomatous perennial flowering plants in the iris family Iridaceae, native to sunny hillsides in South America and western North America.
Orthrosanthus is a genus of flowering plants in the family Iridaceae first described as a genus in 1827. It is native to Australia, Mexico, Central and South America.
Alophia is a small genus of perennial, herbaceous and bulbous plants in the family Iridaceae. The genus comprise five known species that occur from the South-central United States as well as in Mexico, Central America, and parts of South America.
Calydorea is a small genus of perennial, herbaceous and bulbous plants in the family Iridaceae native to Mexico and South America. The plants in the genus are small with tunicated bulbs. The flowers are light blue, violet, white, or yellow, depending on the species, of which there are around twenty. Taxonomists considered that the already known genera Salpingostylis, Cardiostigma, Catila and Itysa are not enough different from each other to justify their taxonomic segregation and, for this reason, all of them are now included in Calydorea.
Cypella is a genus of herbaceous, perennial and bulbous plants in the family Iridaceae. It is distributed in South America, from Peru and Brazil to Northern Argentina. The genus name is likely derived from the Greek word kyphella, meaning "hollow of the ear", and alludes to the shape of the inner tepals.
Cobana is a genus of herbaceous, perennial and bulbous plants in the family Iridaceae. A monotypic genus, it contains a single species, Cobana guatemalensis, distributed in Honduras and Guatemala.
Eleutherine is a genus of herbaceous, perennial and bulbous plants in the family Iridaceae, first described as a genus in 1843. It is native to Latin America and the West Indies.
Herbertia is a small genus of herbaceous, perennial and bulbous plants in the family Iridaceae.
Zygotritonia is a genus of herbaceous, perennial and bulbous plants in the family Iridaceae. It contains four species distributed throughout sub-Saharan Africa. The genus name is derived from the word zygomorphic, and the apparent resemblance to some species in the genus Tritonia.
Gelasine is a genus of flowering plants in the family Iridaceae, first described in 1840. The entire group is endemic to South America.
Mastigostyla is a genus of flowering plants in the family Iridaceae, first described as a genus in 1928. The entire group is endemic to South America. The genus name is derived from the Greek words mastigos, meaning "whip", and stylos, meaning "style".
Pierfelice Ravenna (1938–2022) was a Chilean botanist of Italian Jewish origin. His research interests were mainly in the field of South American Amaryllidaceae.
Phalocallis is a genus of plants in the Iridaceae, first described as a genus in 1839. It contains only one recognized species, Phalocallis coelestis, native to Paraná State in southern Brazil, and also in northeastern Argentina.
Dorymyrmex silvestrii is a species of ant in the genus Dorymyrmex. Described by Gallardo in 1916, the species is endemic to Argentina.
Quaternella is a genus of flowering plants in the amaranth family Amaranthaceae, endemic to Brazil. They are shrubs or subshrubs found mostly in the cerrado biome.
Urotherium is an extinct genus of Glyptodont. It lived from the Late Miocene to the Late Pliocene, and its fossilized remains were found in South America.
