Robert H. Archer

Euphorbia leistneri is a species of succulent plant in the family Euphorbiaceae. It is endemic to northwest-Namibia and southwest-Angola near the Kunene river. Its natural habitat is subtropical or tropical dry shrubland. It is threatened by habitat loss. Euphorbia leistneri is closely related to Euphorbia monteiri.

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Elaeodendron transvaalense (Burtt Davy) R.H.Archer (bushveld saffron, Afrikaans: Bosveld-saffraan, Lepelhout, or Oupitjie, Tsonga: Monomane, Venda: Mulumanamana, Zulu: Ingwavuma) is a species of flowering plant in the family Celastraceae. It is a protected tree in South Africa. It also occurs in other Southern African countries like Angola, Namibia, Botswana, Zambia, Zimbabwe, Eswatini and Mozambique.

Robsonodendron maritimum (also known as white silky bark or witsybas) is a small, shrubby, evergreen tree that is indigenous to the coastal regions of South Africa. Its natural range extends from Cape Town, along the coast as far as the Eastern Cape. In very windy areas it tends to be shaped (and effectively pruned) by the wind. Its flowers are bisexual.

Robsonodendron is a genus of flowering plants in the family Celastraceae. It contains two species native to Eswatini and South Africa.

Trochantha is a genus of flowering plants belonging to the family Celastraceae. Its native range is Western Central Tropical Africa to Tanzania and Angola. Species: Trochantha graciliflora (Welw. ex Oliv.) R.H.Archer Trochantha preussii (Loes.) R.H.Archer

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Maytenus oleosa is a rare, willow-like, small tree in the family Celastraceae which is limited in habitat to lowland forests along the KwaZulu-Natal and Eastern Cape coasts of South Africa, particularly where there are streams or rivers. It is commonly associated with Gymnosporia bachmannii. The species is threatened by habitat loss and agricultural activities. Efforts to conserve the tree are in place; it is a protected species in the Umtamvuna Nature Reserve and Mkambati Nature Reserve, and several forest areas have been demarcated in the Transkei.

Dinghoua globularis is a species of flowering plant belonging to the family Celastraceae. It is a shrub or tree native to northern Queensland. It is the sole species in genus Dinghoua.

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Dinghoua globularis is a species of flowering plant belonging to the family Celastraceae. It is a shrub or tree native to northern Queensland. It is the sole species in genus Dinghoua.

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