Quassia is a plant genus in the family Simaroubaceae. Its size is disputed; some botanists treat it as consisting of only one species, Quassia amara from tropical South America, while others treat it in a wide circumscription as a pantropical genus containing up to 40 species of trees and shrubs. The genus was named after a former slave from Suriname, Graman Quassi in the eighteenth century. He discovered the medicinal properties of the bark of Quassia amara.
Johan Barthold Jongkind was a Dutch painter and printmaker. He painted marine landscapes in a free manner and is regarded as a forerunner of Impressionism.
The Icacinaceae are a family of flowering plants, consisting of trees, shrubs, and lianas, primarily of the tropics.
Keetia is a genus of flowering plants in the family Rubiaceae. It consists of climbers or scrambling shrubs, rarely small trees.
Multidentia is a genus of flowering plants in the family Rubiaceae.
Pararistolochia is a genus of plant family Aristolochiaceae.
Cercestis is a genus of flowering plants in the family Araceae. The species in this genus are all climbers and are endemic to Africa. At intervals along the stem they produce long leafless shoots called flagella. Many of the species in Cersestis show signs of fenestration.
Cuviera is a genus of flowering plants in the family Rubiaceae native to tropical Africa. It was originally described by Augustin Pyramus de Candolle in 1807 and is named after the French naturalist Georges Cuvier.
Globulostylis is a genus of flowering plants in the family Rubiaceae. It comprises 8 species growing in Central Africa.
Willem Paul "Wim" van Duyl was a sailor from the Netherlands. He competed in the Dragon class at the 1948, 1952, 1960 and 1964 Olympics and finished in 8th, 6th, 13th and 13th place, respectively. He missed the 1956 Games due to their boycott by the Netherlands.
Englerophytum is a group of trees in the family Sapotaceae described as a genus in 1914.
Dactyladenia is a genus of plants in the family Chrysobalanaceae. They are distributed in western and central Africa, from Liberia to Angola. There are about 31 species.
Chassalia is a genus of flowering plants in the family Rubiaceae. The genus is found from tropical Africa to (sub)tropical Asia.
Colletoecema is a genus of flowering plants in the family Rubiaceae. It is the only genus in the tribe Colletoecemateae. The 3 species are found from west-central tropical Africa to Angola.
Dielsantha is a genus of plants in the family Campanulaceae. It has only one known species, Dielsantha galeopsoides, native to tropical West Africa (Nigeria, Cameroon, Congo-Brazzaville, Equatorial Guinea, Gabon, the islands in the Gulf of Guinea.
Rourea is a genus of plants in the family Connaraceae. They are found worldwide across the tropics and subtropics.
Combretum echirense is a species of flowering plant first formally named by C.C.H. Jongkind in 1993.
Sabicea amazonensis is a species of plant in the family Rubiaceae. It is found in tropical South America. Zemagho, et al. assign Sabicea amazonensis to their subgenus, Sabicea Aubl. subgenus Sabicea, on the basis of morphological characters.
Utsetela is a genus of flowering plants belonging to the family Moraceae.
