Robert Allen Dyer

Strelitzia caudata, commonly known as the mountain strelitzia or wild banana, is a species of banana-like Strelitzia from Africa from the Chimanimani Mountains of Zimbabwe south to Mozambique, the Northern Provinces of South Africa and Eswatini (Swaziland). It is one of three large banana-like Strelitzia species, all of which are native to southern Africa, the other two being S. alba and S. nicolai.

Encephalartos trispinosus is a species of cycad that is native to the Eastern Cape Province of South Africa.

Encephalartos princeps is a species of cycad that is native to Eastern Cape Province of South Africa.

Encephalartos natalensis, the Natal cycad or giant cycad, is a species of cycad that is endemic to the Qumbu and Tabankulu areas of the northern part of the Eastern Cape, and through most of KwaZulu-Natal. The number of mature individuals of this species is declining and the International Union for Conservation of Nature has assessed its conservation status as being "near threatened".

Encephalartos inopinus is a species of cycad in the family Zamiaceae native to Limpopo Province, South Africa.

Encephalartos umbeluziensis is a species of cycad from Africa.

Encephalartos pterogonus is a species of cycad that is native to Mount Mruwere (Monte Urueri) and adjacent mountains in the Manica province of Mozambique.

Encephalartos arenarius is a species of cycad in the family Zamiaceae. It is endemic to South Africa, where it is limited to the Eastern Cape. Its common names include Alexandria cycad and dune cycad.

Euphorbia memoralis is a species of flowering plant in the family Euphorbiaceae, native to the Great Dyke of Zimbabwe. It is endemic to ultramafic soils.

Euphorbia clivicola is a species of plant in the family Euphorbiaceae native to southern Africa.

Euphorbia barnardii, commonly known as mokgwakgwatha, is a species of plant in the family Euphorbiaceae native to southern Africa.

Encephalartos cupidus is a species of cycad that is found in the Limpopo Province, South Africa at elevations of 700 up to 1,500.

Encephalartos concinnus, or the Runde cycad, is a species of cycad in the family Zamiaceae that is endemic to Zimbabwe.

Euphorbia zoutpansbergensis is a species of plant in the family Euphorbiaceae. It is a succulent shrub or tree endemic to north-central Limpopo Province of South Africa.

Euphorbia inconstantia is a species of plant in the genus Euphorbia and the family Euphorbiaceae.

Euphorbia groenewaldii is a species of flowering plant in the family Euphorbiaceae native to southern Africa. It is listed as endemic to and Critically Endangered in South Africa due to habitat destruction and overcollection. Kew's Plants of the World Online also lists it as native to Mozambique.

Euphorbia grandicornis, the cow's horn plant, is a succulent plant of the Euphorbiaceae or spurge family. It is native to the KwaZulu-Natal province and the Northern Provinces of South Africa and to Mozambique and Eswatini. The specific epithet "grandicornis" means "with large horns," and refers to the pairs of spines, which look like the horns of a bull.

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Encephalartos munchii is a perennial species of cycad in Africa. In English, the species goes by the common name Munch's cycad.

Encephalartos heenanii, or Heenan's cycad, is a species of cycad in Southern Transvaal Province, South Africa.

The Chimanimani cycad (Encephalartos chimanimaniensis) is a species of cycad that is endemic to the Chimanimani Mountains of eastern Zimbabwe. It is a threatened species which has been locally extirpated by cycad collectors.

Euphorbia sekukuniensis is a species of plant in the family Euphorbiaceae. It a succulent shrub or tree endemic to south-central and southern Limpopo Province in South Africa.

Euphorbia rowlandii, the Levuvhu euphorbia, is a succulent member of the spurge family native to the Soutpansberg region in South Africa, and southeastern Zimbabwe. It is a medium-sized, monoecious shrub with multiple spiny blue-green photosynthetic stems. The species is superficially similar to E. waterbergensis, and is named after the Levubu River.

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Cyrtanthus falcatus, the falcate fire lily, is a species of flowering plant in the amaryllis family Amaryllidaceae from the Natal region of South Africa. A bulbous perennial growing to 30 cm (12 in), it has glossy, strap-shaped leaves and erect burgundy-coloured stems. These bear umbels of 8-10 narrowly flared, pendulous tubular flowers in shades of red, green and cream in spring and summer. The umbels are bent over in a curious crook or sickle shape (hence The Latin specific epithet falcatus, "shaped like a sickle"). The plant goes dormant in winter. The bulb, shaped like a bowling pin,

Clivia caulescens is a plant and geophyte belonging to the genus Clivia. The species occurs in Eswatini, Mpumalanga and Limpopo. The plant is threatened by its excessive use by traditional healers as well as its collection by horticulturalists. It is expected that the plant's numbers will decrease by 25% over the next 60 years. It can be variegated.

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