Plants named in 1958

Mirabelle plum (Prunus domestica subsp. syriaca) is a cultivar group of plum trees of the genus Prunus. It is believed that the plum was cultivated from a wild fruit grown in Anatolia.

Boesenbergia rotunda (Thai: กระชาย, romanized: krachai, Khmer: ខ្ជាយ, romanized: k'jeay, Indonesian: temu kunci, Burmese: ဆိတ္ဖူး, romanized: Hsei' Hpu), commonly known as Chinese keys, fingerroot, lesser galangal or Chinese ginger, is a medicinal and culinary herb from China and Southeast Asia. In English, the root has traditionally been called fingerroot, because the shape of the rhizome resembles that of fingers growing out of a center piece.

Takakia is a genus of two species of mosses known from western North America and central and eastern Asia. The genus is placed as a separate family, order and class among the mosses.

Melaleuca quinquenervia, commonly known as the broad-leaved paperbark or paper bark tea tree in Australia, niaouli in New Caledonia and punk tree in the United States, is a small- to medium-sized tree of the myrtle family, Myrtaceae. It grows as a spreading tree up to 20 m (70 ft) tall, with its trunk covered by a white, beige and grey thick papery bark. The grey-green leaves are egg-shaped, and cream or white bottlebrush-like flowers appear from late spring to autumn. It was first formally described in 1797 by the Spanish naturalist Antonio José Cavanilles. Native to New Caledonia, Papua New

Rubioideae is a subfamily of flowering plants in the family Rubiaceae and contains about 7600 species in 27 tribes.

Aloe scobinifolia is a small, stemless Aloe from Somalia.

Peperomia caperata, the emerald ripple peperomia, is a species of flowering plant in the family Piperaceae, native to Brazil. It is a mound-forming evergreen perennial growing to 20 cm (8 in) tall and wide, with corrugated heart-shaped leaves, and narrow spikes of white flowers 5–8 cm (2–3 in) long, in summer. With a minimum temperature requirement of 15 °C (59 °F), P. caperata must be grown indoors in most temperate regions.

Osmanthus heterophyllus (Chinese:t 柊樹, s 柊树, p zhōngshù; Japanese: 柊, hiiragi), variously known as holly osmanthus, holly olive, and false holly, is a species of flowering plant in the olive family Oleaceae, native to eastern Asia in central and southern Japan (Honshū, Kyūshū, Shikoku, and the Ryukyu Islands) and Taiwan.

Aloe descoingsii is a species of Aloe native to southern Madagascar. Regarded as the smallest Aloe species in the world, it generally reaches a maximum of about 3 inches (7.62 cm) across.

Teuscheria is a genus of orchids native to southern Mexico, Central America and northern South America. The genus is named for Henry Teuscher, an award-winning landscape artist and horticulturalist. Species accepted as of June 2014: Teuscheria archilae Chiron & Szlach. Guatemala Teuscheria cornucopia Garay - Ecuador Teuscheria desireei Archila - Guatemala Teuscheria dodsonii Dressler - Ecuador Teuscheria elegans Garay - Colombia Teuscheria guatemalensis Archila, Chiron & Szlach. - Guatemala Teuscheria horichiana Jenny & Braem - Costa Rica Teuscheria integrilabia Dodson - Ecuador Teuscheria

Rothmannia annae is a species of plant in the family Rubiaceae. It is endemic to the Seychelles. It is found in its natural state only on Aride Island, where its habitat is protected by Island Conservation Society.

Ulmus chenmoui W. C. Cheng, commonly known as the Chenmou, or Langya Mountain elm, is a small deciduous tree from the more temperate provinces of Anhui and Jiangsu in eastern China, where it is found at elevations below 200 m on the Langya Shan and Baohua Shan mountains. The tree was unknown in the West until 1979, when seeds were sent from Beijing to the De Dorschkamp research institute at Wageningen in the Netherlands.

Quercus albicaulis is a rare Chinese species of oak. It is a tree found only on the island of Hainan in southern China. Quercus albicaulis is a large tree up to 30 m tall with white twigs and leaves as much as 18 cm long. It is placed in subgenus Cerris, section Cyclobalanopsis.

The Hylocereeae are a tribe of cacti. Most are found in the tropical forests of Central and northern South America, and are climbers or epiphytes, unlike most cacti. The tribe includes between six and eight genera in different circumscriptions. The plants known as "epiphyllum hybrids" or "epiphyllums", widely grown for their flowers, are hybrids of species within this tribe, particularly Disocactus, Pseudorhipsalis and Selenicereus, less often Epiphyllum, in spite of the common name.

Durio wyatt-smithii is a species of flowering plant in the family Malvaceae. It is a tree endemic to Peninsular Malaysia.

Capsicum cardenasii is a plant species in the genus Capsicum and the family Solanaceae. It is a diploid with 2n=2x=24. It is a member within the C. pubescens complex, a group of closely related Capsicum species. It is closely related to C. eximium. It is native to the Andes, and it can be found in Bolivia and Peru. The native name is ulupica.

Gynochthodes officinalis, synonym Morinda officinalis and also known as Indian mulberry, is a plant in the coffee family Rubiaceae.

Ulmus pseudopropinqua Wang & Li, occasionally known in the United States as the Harbin spring elm, is a small deciduous tree found only in Heilongjiang, the northeasternmost province in China. The tree has not been studied comprehensively, and it has been speculated it may be a natural hybrid of Ulmus davidiana var. japonica and Ulmus macrocarpa.

Rhoogeton is a genus of flowering plants belonging to the family Gesneriaceae. Its native range is Venezuela to Guyana and Northern Brazil. Species: Rhoogeton cyclophyllus Leeuwenb. Rhoogeton viviparus Leeuwenb.

Ottosonderia is a genus of flowering plants belonging to the family Aizoaceae. Its native range is the Cape Provinces in South Africa. The genus name of Ottosonderia is in honour of Otto Wilhelm Sonder (1812–1881), a German botanist and pharmacist. It was first described and published in Notes Mesembryanthemum Vol.3 on page 292 in 1958.

Orectanthe is a genus of flowering plants, in the family Xyridaceae, first described as a genus in 1958. It is native to the tepui of northern South America (Venezuela, Guyana, and northwestern Brazil). It is closely related to Abolboda, and both known species were originally classified as members of Abolboda before being transferred to Orectanthe. Species Orectanthe ptaritepuiana (Steyerm.) Maguire - Venezuela, Guyana, northwestern Brazil Orectanthe sceptrum (Oliv.) Maguire - Venezuela, Guyana, northwestern Brazil

Iltisia is a genus of Central American flowering plants in the family Asteraceae. Species Iltisia echandiensis R.M.King & H.Rob. – Panama, Costa Rica Iltisia repens S.F.Blake – Costa Rica

Ferreyrella is a genus of Peruvian flowering plants in the family Asteraceae. Species Ferreyrella cuatrecasasii R.M.King & H.Rob. Ferreyrella peruviana S.F.Blake

Euphorbia cussonioides is a species of plant in the family Euphorbiaceae. It is endemic to Kenya. It goes by the common name the Candelabra tree.

Astripomoea is a genus of flowering plants belonging to the family Convolvulaceae. Its native range is Tropical and Southern Africa, Arabian Peninsula. Species: Astripomoea cephalantha (Hallier f.) Verdc. Astripomoea delamereana (Rendle) Verdc. Astripomoea grantii (Rendle) Verdc. Astripomoea hyoscyamoides (Vatke) Verdc. Astripomoea lachnosperma (Choisy) A.Meeuse Astripomoea longituba Verdc. Astripomoea malvacea (Klotzsch) A.Meeuse Astripomoea nogalensis (Chiov.) Verdc. Astripomoea polycephala (Hallier f.) Verdc. Astripomoea procera Thulin Astripomoea rotundata (Pilg.) A.Meeuse Astripomoea

Arachis monticola is a close relative of the domesticated peanut (Arachis hypogaea). Besides the peanut, it is the only other tetraploid species in the genus Arachis. It is thought to be the immediate wild ancestor of peanut, although it may be a weedy form, descended from cultivated peanuts.

Acacia calcicola, commonly known as shrubby wattle, shrubby mulga, myall-gidgee, northern myall and grey myall is a species of flowering plant in the family Fabaceae and is native to arid areas of central Australia. The Pitjantjatjara peoples know the tree as ikatuka, the Warlpiri know it as jirlarti and the Arrernte know it as irrakwetye. It is a rounded shrub or straggly tree, with narrowly linear, linear or very narrowly elliptic phyllodes, spherical heads of golden yellow flowers, and more or less woody pods resembling a string of beads up to 120 mm (4.7 in) long.

Thoracocarpus is a genus of plants first described as a genus in 1958. It contains only one known species, Thoracocarpus bissectus a hemiepiphytic vine. It is native to Costa Rica, Panama, Cuba, Trinidad and Tobago, and South America (Colombia, Venezuela, the Guianas, Brazil, Bolivia, Peru, Ecuador).

Schoenocephalium teretifolium or Summertime Inírida flower (from the Spanish: Flor de Inírida de verano) is a monocot which is an endemic plant in the area between the Colombian rivers of Guainia and Inírida. Guacamaya superba, another plant in the Rapateaceae family, is also endemic to this region.

Rothmannia globosa is a small but highly decorative South African tree of the family Rubiaceae. It occurs in evergreen forest and along forest margins in the Eastern Cape and north to Limpopo Province and Eswatini. Bark is greyish-brown with rectangular markings. Leaves are glossy, often with yellowish to maroon veins on the underside with acarodomatia in the axils – acarodomatia are common in this family and are a useful diagnostic character. The specific name refers to the spherical fruits of about 25mm diameter.