Peter Vincent Bruyns

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Euphorbia neoarborescens is a species of plant in the family Euphorbiaceae. It is endemic to Tanzania. It is listed as vulnerable by the IUCN.

Euphorbia biselegans is a species of plant in the family Euphorbiaceae. It is endemic to Tanzania. It is threatened by habitat loss.

Baynesia is a genus of flowering plants in the family Apocynaceae. Its only species is Baynesia lophophora, endemic to Namibia. It was first discovered by Peter Bruyns in 1999, and first described by him in 2000.

Portulacaria fruticulosa (previously Ceraria fruticulosa or Ceraria schaeferi) is a succulent plant found in southwestern Namibia and the northwestern Cape Provinces of South Africa.

Orbea decaisneana is a succulent subshrub and grows primarily in the desert or dry shrubland biome. It is native to north Africa; Algeria, Burkina Faso, Mali, Mauritania, Morocco, Niger, Senegal, and Sudan/South Sudan. The plants found in Morocco have been called Caralluma decaisneana subsp. hesperidum but this subspecies is not recognised by POWO. Some botanists argue that they are sufficiently different to be their own subspecies or even species - the flowers even have very different smells.

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Euphorbia guentheri, also called sausage spurge, is a species of flowering plant in the family Euphorbiaceae native to eastern Africa. Euphorbia guentheri is more low-growing, sprawling, and spiny, whereas Euphorbia ritchiei and Euphorbia succulenta are more upright, less spiny, and sometimes more colorful in its bracts.

Portulacaria carrissoana (previously Ceraria carrissoana or Ceraria kuneneana) is a shrubby succulent plant found on the border between Namibia and Angola.

Ophionella is a group of plants in the family Apocynaceae first described as a genus in 1981. It contains only one accepted species, Ophionella arcuata, native to Eastern Cape Province of South Africa.

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Euphorbia succulenta is a species of flowering plant in the family Euphorbiaceae native to eastern Africa. It is a succulent with stems that often arch or flop, eventually hanging as they grow. Leaves appear at the growing tips but persist for only a single season. The species shows significant variation in stem thickness, tubercle number and size, leaf shape, and inflorescence length.

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