Gentiana is a genus of flowering plants belonging to the gentian family (Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. With about 400 species, it is considered a large genus. Gentians are notable for their mostly large trumpet-shaped flowers, which are often of an intense blue hue.
The Salicaceae is the willow family of flowering plants. The traditional family included the willows, poplar, aspen, and cottonwoods. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly expanded the circumscription of the family to contain 56 genera and about 1220 species, including the Scyphostegiaceae and many of the former Flacourtiaceae.
Gentianaceae is a family of flowering plants of 103 genera and about 1600 species.
The Monimiaceae is a family of flowering plants in the magnoliid order Laurales. It is closely related to the families Hernandiaceae and Lauraceae. It consists of shrubs, small trees, and a few lianas of the tropics and subtropics, mostly in the southern hemisphere. The largest center of diversity is New Guinea, with about 75 species. Lesser centres of diversity are Madagascar, Australia, and the neotropics. Africa has one species, Xymalos monospora, as does Southern Chile. Several species are distributed through Malesia and the southwest Pacific.
Strychnos is a genus of flowering plants, belonging to the family Loganiaceae. The genus includes about 100 accepted species of trees and lianas, and more than 200 that are as yet unresolved. The genus is widely distributed around the world's tropics and is noted for the presence of poisonous indole alkaloids in the roots, stems and leaves of various species. Among these alkaloids are the well-known and virulent poisons strychnine and curare.
Cleome is a genus of flowering plants in the family Cleomaceae, commonly known as spider flowers, spider plants, spider weeds, or bee plants. Previously, it had been placed in the family Capparaceae, until DNA studies found the Cleomaceae genera to be more closely related to the Brassicaceae than the Capparaceae. Cleome and clammyweed can sometimes be confused.
Halenia is a genus of plant in family Gentianaceae. It contains the following species :
Hillegonda (Hiltje) Maas-van de Kamer is a botanist at the Institute of Systematic Botany at Utrecht University. She is the wife of Professor Paul Maas and together they have published many papers. She is a specialist in the flora of the neotropics.
Cerro de la Neblina, also known as Serra da Neblina in Brazil and Sierra de la Neblina in Venezuela, is a sandstone massif located in the northern Amazon Basin. It is a tilted, heavily eroded plateau, with a deep canyon in its central portion, drained by the Baria River.
Canscora is a genus 9 to 30 species of plants in the family Gentianaceae. Canscora is native to Africa, Asia and Australia. Some species are used medicinally.
Daphnopsis is a plant genus in the family Thymelaeaceae. There are 50 to 65 species distributed in the Neotropics. They are shrubs and small trees with tubular or bell-shaped flowers. Individuals are dioecious, with male and female flowers produced on separate trees.
The genus Exochaenium is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau, with many extending to the Sudano-Zambesian and Guineo-Congolian regions. The genus is monophyletic and is used to study the variation and evolution of herkogamy.
Tachiadenus is a plant genus in the gentian family (Gentianaceae), tribe Exaceae. It contains 12 species. The genus is endemic to Madagascar.
James Scott Pringle is a Canadian botanist.
Sapindoideae is a subfamily of flowering plants in the soapberry family, Sapindaceae. It includes a number of fruit trees, including lychees, longans, rambutans, and quenepas.
Symbolanthus, the ring‐gentians, are a genus of flowering plants in the family Gentianaceae, native to the montane tropics of southern Central America and northern and eastern South America.
Faroa is a genus of flowering plants in the gentian family (Gentianaceae), native to tropical Africa. Faroa species are noted for their ability to grow in harsh conditions such as on bare rock, sand, mineralized soils, and mine tailings with high concentrations of copper.
Roraimaea is a genus of flowering plants belonging to the family Gentianaceae.
