Avicennia is a genus of flowering plants currently placed in the bear's breeches family, Acanthaceae. It contains mangrove trees, which occur in the intertidal zones of estuarine areas and are characterized by its "pencil roots", which are aerial roots. They are also commonly known as api api, which in the Malay language means "fires", a reference to the fact that fireflies often congregate on these trees. Species of Avicennia occur worldwide south of the Tropic of Cancer.
Otto Stapf FRS was an Austrian born botanist and taxonomist, the son of Joseph Stapf, who worked in the Hallstatt salt-mines. He grew up in Hallstatt and later published about the archaeological plant remains from the Late Bronze- and Iron Age mines that had been uncovered by his father.
Otto Eugen Schulz was a German botanist, born in Berlin. He was the brother of botanist Roman Schulz (1873–1926).
Moritz Kurt Dinter was a German botanist and explorer in South West Africa.
Ludwig Adolph Timotheus Radlkofer, was a Bavarian taxonomist and botanist.
Conrad Vernon Morton was an American botanist, who did notable writings on ferns. He was also a specialist in Gesneriaceae and Solanaceae for the Smithsonian Institution from 1928.
Dinteranthus is a genus of plants in the family Aizoaceae. It occurs in the arid northwestern parts of the Northern Cape Province, South Africa and the south-eastern parts of Namibia.
Stapfiella is a genus of flowering plants belonging to the family Passifloraceae. It is also in the Subfamily Turneroideae.
Driessenia is a genus of flowering plants belonging to the family Melastomataceae.
Harmsia is a genus of flowering plants belonging to the family Malvaceae.
Halacsya is a monotypic genus of flowering plants belonging to the family Boraginaceae. It only contains one species, Halacsya sendtneri(Boiss.) Dörfl.
Howelliella is a monotypic genus of flowering plants belonging to the family Plantaginaceae. It only contains one species, Howelliella ovata.
Gallesia is a monotypic genus of flowering plants belonging to the family Petiveriaceae. It only contains one species; Gallesia integrifolia(Spreng.) Harms
Elmera racemosa is a species of flowering plant belonging to the family Saxifragaceae. It is the sole species in genus Elmera.
Englerocharis is a genus of flowering plants belonging to the family Brassicaceae.
Raffenaldia is a genus of flowering plants belonging to the family Brassicaceae.
Guilfoylia is a monotypic genus of flowering plants belonging to the family Surianaceae. The only species is Guilfoylia monostylis.
Koehneria is a monotypic genus of flowering plants belonging to the family Lythraceae. The only species is Koehneria madagascariensis(Baker) S.A.Graham, Tobe & Baas
Neodriessenia is a genus of flowering plants belonging to the family Melastomataceae.
Cola verticillata is a species of tree in the genus Cola, of the family Malvaceae, native to the forests of tropical Africa. Common names include owe cola, slippery cola and mucilage cola. It was first described by the Danish botanist Peter Thonning as Sterculia verticillata, and was given its current name of Cola verticillata by the Austrian botanist Otto Stapf and the French botanist Auguste Chevalier.
