João Geraldo Kuhlmann

Peridiscaceae is a family of flowering plants in the order Saxifragales. Four genera comprise this family: Medusandra, Soyauxia, Peridiscus, and Whittonia., with a total of 12 known species. It has a disjunct distribution, with Peridiscus occurring in Venezuela and northern Brazil, Whittonia in Guyana, Medusandra in Cameroon, and Soyauxia in tropical West Africa. Whittonia is possibly extinct, being known from only one specimen collected below Kaieteur Falls in Guyana. In 2006, archeologists attempted to rediscover it, however, it proved unsuccessful. The largest genus is Soyauxia, with about

Duckeodendron is a genus of flowering plant in the family Solanaceae represented by a single species, Duckeodendron cestroides. A tree reaching 15 to 30 m, it is found in the Amazon rainforest of Brazil. Its common names include pincel-de-macaco and pupunharana. João Geraldo Kuhlmann described it in 1925 and named it for the collector, Adolpho Ducke.

Merianthera is a genus of flowering plants belonging to the family Melastomataceae. Its native range is Eastern Brazil.

Axonopus fissifolius is a grass species which is often used as permanent pasture. Common names include common carpetgrass, caratao grass, and Louisiana grass in the United States, and mat grass, narrow-leaved carpet grass, and Durrington grass in Australia.

Sterigmapetalum is a genus of flowering plants belonging to the family Rhizophoraceae. Its native range is Southern America. Species: Sterigmapetalum chrysophyllum Aymard & Cuello Sterigmapetalum colombianum Monach. Sterigmapetalum exappendiculatum Steyerm. & Liesner Sterigmapetalum guianense Steyerm. Sterigmapetalum heterodoxum Steyerm. & Liesner Sterigmapetalum obovatum Kuhlm. Sterigmapetalum plumbeum Aymard & Cuello Sterigmapetalum resinosum Steyerm. & Liesner Sterigmapetalum tachirense Steyerm. & Liesner

Paradrypetes is a plant genus under the family Rhizophoraceae. It includes two species endemic to Brazil. It is sometimes included in the Picrodendraceae and was formerly included in the family Euphorbiaceae.

Cyrillopsis is a genus of flowering plants belonging to the family Ixonanthaceae. Its native range is northern South America and Brazil. Species: Cyrillopsis micrantha (Steyerm.) P.E.Berry & N.Ramírez Cyrillopsis paraensis Kuhlm.

Paratecoma is a monotypic genus of flowering plants belonging to the family Bignoniaceae. The sole species is Paratecoma peroba. Its native range is Southeastern Brazil in the wet tropical biome.

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Spheneria is a genus of plants in the grass family. The only known species is Spheneria kegelii, native to Guyana, Suriname, and Brazil (States of Pará, Mato Grosso, + Amazonas).

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Hydrogaster is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one species, Hydrogaster trinervis, a tree native to eastern Brazil.

Hydrogaster is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one species, Hydrogaster trinervis, a tree native to eastern Brazil.

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Pseudolmedia hirtula is a species of plant in the family Moraceae also known as the fig tree family. Endemic to Brazil's Atlantic rain forest, it is threatened by habitat loss, caused by humans using slash and burn methods to make room for more cropland and grazing pastures. It is listed as an endangered species on the IUCN red list

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Dialypetalanthus is a genus of trees in the family Rubiaceae. It only contains one species, Dialypetalanthus fuscescens, which is found in Bolivia, Brazil and Peru.

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