Plants named in 2013

Vachellia sieberiana, until recently known as Acacia sieberiana, is a tree native to southern Africa and introduced into Pakistan. It is used in many areas for various purposes. The tree varies from 3 to 25 m in height, with a trunk diameter of 0.6 to 1.8 m. It is not listed as being a threatened species.

Elwendia persica is a plant species in the family Apiaceae. It is related to cumin (Cuminum cyminum) and sometimes called black cumin, or black caraway, and has a smoky, earthy taste. It is often confused with Nigella sativa (which is also called black cumin, black caraway, or black seed), by which it is often substituted in cooking. Dried E. persica fruits are used as a culinary spice in northern India, Pakistan, Bangladesh, Afghanistan, Tajikistan, and Iran. It is practically unknown outside these areas.

Aloidendron barberae, formerly Aloe bainesii and Aloe barberae, also known as the tree aloe, is a species of succulent plant in the genus Aloidendron. It is native to South Africa northwards to Mozambique. In its native climes this slow-growing tree can reach up to 18 metres (59 ft) high and 0.9 m (3 ft) stem in stem diameter. Aloidendron barberae is Africa's largest aloe-like plant. The tree aloe is often used as an ornamental plant. Its tubular flowers are rose pink (green-tipped); it flowers in winter and in its natural environment is pollinated by sunbirds.

Oldeania alpina, the African alpine bamboo, is a perennial bamboo of the family Poaceae and the genus Oldeania. It can be found growing in dense but not large stands on the mountains and volcanoes surrounding the East African Rift between 2,500 meters (8,200 feet) and 3,300 meters (11,000 feet) elevation.

Aloidendron is a genus of succulent plants in the subfamily Asphodeloideae. It was split off from the much larger genus Aloe in 2013.

Vachellia horrida is a low spreading shrub or sometimes tree native to both the wet and dry scrublands of tropical to subtropical East Africa. Common names for it are Cape gum, Karroo Thorn and dev-babul. It is also found elsewhere in Africa, Asia, India and South America. It frequently has stipular spines 9.5 cm long. V. horrida is an important browse plant in the tropics, particularly during the dry season.

Vachellia oerfota is a species of shrub or tree native to northeastern Africa, the Arabian Peninsula, and Iran.

Vachellia abyssinica, the flat top acacia, is a tree up to 16 m (52 ft) tall.

Vachellia robusta, the splendid thorn, is an Afrotropical tree species. It is native to eastern and southern Africa, ranging from Ethiopia and Somalia in the north to South Africa and Namibia in southern Africa.

Vachellia reficiens (Afrikaans: Rooihak, German: Rotrindenakazie), commonly known as red-bark acacia, red thorn, false umbrella tree, or false umbrella thorn, is a deciduous tree or shrub of the pea family (Fabaceae) native to southern Africa, often growing in an upside-down cone shape and with a relatively flat crown.

Senegalia dudgeonii is a small perennial tree that grows up to 9 meters tall. It belongs to the Fabaceae family and endemic Sudano-Sahelian and Guinea savannah zones of West Africa.

Melaleuca glauca, commonly known as Albany bottlebrush is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. (Some Australian state herbaria continue to use the name Callistemon glaucus. Lyndley Craven claims that there is no type material for Callistemon speciosus and includes it here as a synonym.) It is a tall shrub with glaucous leaves and spikes of red flowers in spring.

Haworthiopsis is a genus of succulent plants in the subfamily Asphodeloideae. The genus was previously included in Haworthia. Species in the genus are typically short perennial plants, with leaves often arranged in a rosette and frequently having raised white markings. The two-lipped flowers are borne on a tall stalk and are small – less than 17 mm (0.7 in) long – and pale in colour. Many species are cultivated as house plants or by succulent enthusiasts.

Dracaena kaweesakii (Kaweesak's dragon tree; Thai: Chan nuu or Chan pha krai) is a species of dragon tree. It can reach 12 metres (39 ft) in both height and crown diameter. It is only found growing atop the limestone mountains in the Loei and the Lop Buri Provinces of Thailand.

Aloiampelos (combination of 'Aloe' and 'ampelos'=vine or creeper), formerly Aloe ser. Macrifoliae (the climbing-aloes) is a genus of succulent plants in the subfamily Asphodeloideae, comprising seven species found in Southern Africa. They are typically multi-branched climbing or sprawling shrubs, with long spindly stems and a large woody base on the ground. These characteristics, as well as their soft, narrow, triangular leaves whose lower part ensheathes the stem, make them easy to distinguish. The genus is centered in the Eastern Cape, South Africa where they are also particularly common. A

Acanthocereus tepalcatepecanus is a species of crawling cactus native to the Mexican states of Jalisco, Michoacán, and Guerrero.

Shangwua is a genus of Asian flowering plants belonging to the family Asteraceae. Its native range is from Afghanistan to central and eastern Asia (within East Himalaya, Nepal, Pakistan, Tadzhikistan, Tibet and West Himalaya) and to southern central China and Myanmar. The genus name of Shangwua is in honour of Shang Wu Liu (b. 1934), Chinese botanist, taxonomist and professor in the province of Qinghai, China. It was first described and published in Taxon Vol.62 on page 992 in 2013.

Senegalia megaladena is a spiny climber, shrub or tree, native to Jawa, and from mainland Southeast Asia to China and India. It is eaten as a vegetable and used as a fish poison. It is named after its distinctive large gland on the petioles.

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Reseda minoica is a species of flowering plant of the genus Reseda found in the eastern Mediterranean region. It was described in 2013 by Santiago Martín-Bravo and Pedro Jiménez-Mejías at the Pablo de Olavide University in Spain. The species has long been confused with closely related species such as R. odorata, R. orientalis and R. balansae, to which it bears a striking resemblance. However, the species can be differentiated from other species by its floral parts. Taxonomic and molecular analyses have further revealed that it is the maternal species of common mignonette (R. odorata), one of

Moquiniastrum is a genus of flowering plants belonging to the family Asteraceae. Its native range is Venezuelan Antilles to Southern Tropical America. It is found in Argentina, Bolivia, Brazil, Paraguay, Uruguay, Venezuela and Venezuelan Antilles. The genus name of Moquiniastrum is in honour of Alfred Moquin-Tandon (1804–1863), a French naturalist and doctor. It was first described and published in Phytotaxa Vol.147 on page 29 in 2013.

Linderniella is a genus of flowering plants belonging to the family Linderniaceae. Its native range is Tropical and southern Africa. It is found in the countries of Angola, Benin, Burkina, Burundi, Cameroon, Central African Republic, Chad, Congo, Eswatini, Ethiopia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Liberia, Madagascar, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Rwanda, Senegal, Sierra Leone, South Africa (Free State, KwaZulu-Natal and Northern Provinces), Sudan, Tanzania, Togo, Uganda, Zambia, and Zimbabwe. The genus name of Linderniella is in honour of Franz

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Surreya is a genus of flowering plants belonging to the family Amaranthaceae. It is also in the Polycnemoideae subfamily. It is native to Australia. The genus name of Surreya is in honour of Surrey Wilfrid Laurance Jacobs (1946–2009), an Australian botanist and botanical garden taxonomist in Sydney. It was first described and published in Taxon Vol.62 on page 109 in 2013. Known species: Surreya diandra (R.Br.) R.Masson & G.Kadereit Surreya mesembryanthema (F.Muell.) R.Masson & G.Kadereit

Rhytidostemma is a genus of flowering plants belonging to the family Apocynaceae. Its native range is Panama to Southern Tropical America. Species: Rhytidostemma badilloi (Morillo) Morillo Rhytidostemma floresii (Morillo) Morillo Rhytidostemma fontellanum Morillo Rhytidostemma hoffmanii (Morillo) Morillo Rhytidostemma laurae (Morillo) Morillo Rhytidostemma peruvianum (Morillo) Morillo Rhytidostemma surinamense (Morillo) Morillo Rhytidostemma viride (Moldenke) Morillo