Plants named in 1953

Manilkara zapota, commonly known as sapodilla (Spanish: [ˌsapoˈðiʝa]), sapote, chicozapote, chico, chicoo, chicle, naseberry, nispero, or soapapple, among other names, is an evergreen tree native to southern Mexico and Central America. An example natural occurrence is in coastal Yucatán, in the Petenes mangroves ecoregion, where it is a subdominant plant species. It was introduced to the Philippines during Spanish colonization. It is grown in large quantities in Mexico and in tropical Asia, including India, Pakistan, Thailand, Malaysia, Cambodia, Indonesia, Vietnam, Bangladesh, as well as in

Schlumbergera truncata, the false Christmas cactus, is a species of plant in the family Cactaceae. It is endemic to a small area of the coastal mountains of south-eastern Brazil where its natural habitats are subtropical or tropical moist forests. It is the parent or one of the parents of the houseplants called Christmas cactus, Thanksgiving cactus or zygocactus, among other names.

Selenicereus megalanthus, synonym Hylocereus megalanthus, is a cactus species in the genus Selenicereus that is native to northern South America, where it is known, along with its fruit, by the name of pitahaya. The species is grown commercially for its yellow fruit, but is also an impressive ornamental climbing vine with perhaps the largest flowers of all cacti. The yellow skinned fruit of S. megalanthus has thorns, unlike the green, red or yellow skinned dragon fruits of S. undatus, S. monacanthus and their cultivated hybrids. S. megalanthus is commonly known as "yellow dragon fruit",

Papuacedrus papuana is a species in the conifer family Cupressaceae, the sole species in the genus Papuacedrus. Some botanists do not consider this species as forming a distinct genus, but include it in the related genus Libocedrus. It is native to New Guinea and to the Indonesian province of Maluku. It is usually a medium-sized to large evergreen tree 16–50 m tall, at high elevations only a shrub reaching up to 3 m). The foliage is borne in flat sprays, with the leaves scale-like, in opposite pairs, with facial and lateral pairs alternating; the lateral leaves are larger, 2–3 mm long on

Adansonia suarezensis, the Suarez baobab, is an endangered species of Adansonia endemic to Madagascar. It is locally called "bozy" (pronounced "boojy"), the common name used for all baobabs in northern Madagascar.

Mesadenella is a genus of flowering plants from the orchid family, Orchidaceae. It consists of 7 known species, native to Mexico, Central America and South America: Mesadenella angustisegmenta Garay – Venezuela, Ecuador Mesadenella atroviridis (Barb.Rodr.) Garay – Brazil Mesadenella cuspidata (Lindl.) Garay – from Colombia east to Guyana and south to Argentina Mesadenella meeae R.J.V.Alves – Brazil Mesadenella peruviana Garay – Peru Mesadenella tonduzii (Schltr.) Pabst & Garay – from southern Mexico south to Nicaragua; also Pará region of Brazil Mesadenella variegata D.E.Benn. & Christenson –

Aloe ballyi (the "rat aloe") is a species of flowering plant in the family Asphodelaceae, native to Kenya and Tanzania.

Saba senegalensis, known as weda in the Moore, liane in French, madd in Wolof and laare in Pulaar, is a fruit-producing plant of the Apocynaceae family, native to the Sahel region of sub-Saharan Africa. It has several common names in various West African languages. The tree grows predominantly on riverbanks and in woodlands in Senegal, Mali, Guinea-Bissau, The Gambia, Burkina Faso, Somalia and Ivory Coast. It has been observed growing as vine up trees, as a small erect shrub, and oftentimes growing to the size of a large tree. ICRISAT has cited S. senegalensis as a useful food crop plant and

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Odontorrhynchus is a genus of orchids (family Orchidaceae) belonging to the subfamily Orchidoideae. It constrains 6 known species, all native to the southern half of South America. Odontorrhynchus alticola Garay - Peru, Argentina Odontorrhynchus castillonii (Hauman) M.N.Correa - Bolivia, Argentina Odontorrhynchus domeykoanus Szlach. - Chile Odontorrhynchus erosus Szlach. - Chile Odontorrhynchus monstrosus Szlach. - Bolivia Odontorrhynchus variabilis Garay - Chile

Ludwigia adscendens, the water primrose, is a species of flowering plant in the evening primrose family. Its native distribution is unclear. It is now a common weed of rice paddies in Asia and occurs also in Australia and Africa, but may have originated in South America. This plant is a perennial floating herb with white spongy buoys, and can float on water surface as well as creep over the surface of wetlands. The plant has simple leaves with elliptic blades, which are 0.4–7 cm long and 0.7–3 cm wide. Its petioles are 0.5–1.0 cm short. Its cream flowers emerge singly at axils, and each have

Catapodium rigidum, ferngrass, is a species of annual grass in the family Poaceae (true grasses), distributed around the Mediterranean and the Middle East. It has been widely introduced throughout drier parts of the world, including parts of North America, South America, South Africa, Korea, Australia, and New Zealand. Individuals can reach 20 cm (8 in).

Aloe jucunda is a species of succulent plants that belong to the family Asphodelaceae, indigenous to Somalia.

Saba is a genus of plant in the family Apocynaceae first described as a genus in 1849. It is native to Madagascar, Comoros, and mainland Africa. Species Saba comorensis (Bojer ex A.DC.) Pichon - Madagascar, Comoros, Africa from Senegal to Somalia and south to Zimbabwe Saba senegalensis (A.DC.) Pichon - Sahel from Senegal to Central African Republic Saba thompsonii (A.Chev.) Pichon - W Africa (Benin, Togo, Burkina Faso, Ghana, Ivory Coast, Nigeria)

Tillandsia xerographica is a species of flowering plant in the bromeliad family. It is native to southern Mexico, El Salvador, Guatemala and Honduras. The name is derived from the Greek words ξηρός (xeros), meaning "dry", and γραφία (graphia), meaning "writing". It is included in Tillandsia subg. Tillandsia.

Euphorbia beharensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. It is threatened by habitat loss.

Tephrocactus articulatus is a species of cactus in the subfamily Opuntioideae of the plant family Cactaceae, endemic to northern Argentina.

Picea × lutzii is a hybrid spruce tree that is a natural cross between white spruce and Sitka spruce occurring where the ranges of the two species overlap in coastal south-central Alaska and coastal British Columbia. Its common name is Lutz spruce. Its morphology is intermediate between the two parent species, the maritime Sitka spruce and the white spruce of dryer climates further inland. In addition to the parent spruces it shares its ecosystem with Tsuga heterophylla and T. mertensiana. The tree was named for Harold John Lutz, a scientist who specialized in forest soils and worked briefly

Cyclotrichium is a genus of plants in the Lamiaceae, first described as a genus in 1953. The entire genus is endemic to southwestern Asia (Iran, Iraq, Turkey, Syria, Lebanon). Species Cyclotrichium depauperatum (Bunge) Manden. & Scheng. - western Iran Cyclotrichium glabrescens (Boiss. ex Rech.f.) Leblebici - southeastern Turkey Cyclotrichium haussknechtii (Bunge) Manden. & Scheng. - western Iran Cyclotrichium leucotrichum (Stapf ex Rech.f.) Leblebici - Iran, Iraq, Turkey Cyclotrichium longiflorum Leblebici - Iran, Iraq, Turkey Cyclotrichium niveum (Boiss.) Manden. & Scheng - eastern Turkey

Aloe tororoana is a species of Aloe native to southeast Uganda.

Aloe kedongensis (the "Kenyan Aloe") is a species of aloe which occurs in Kenya and northern Tanzania. Along with Aloe dawei and Aloe rivae, it is very commonly used for hedges in East Africa.

Xanthocercis zambesiaca, the nyala tree or mshatu, is a species of legume in the family Fabaceae which is native to the southern subtropics of Africa. It occurs in seasonally hot, low-lying river valleys of Botswana, Malawi, Mozambique, South Africa, Zambia and Zimbabwe. Nyala trees grow on alluvium or termite mounds where they have access to plentiful moisture and deep, fertile soil. They occur sparsely in the eastern lowveld of Southern Africa, but are more prolific in the Limpopo valley and along the Tuli Block's Shashe River, where they are known as mshatu trees. The foliage and fruit,

Saba comorensis is a species of flowering plant in the Apocynaceae family. It is commonly called bungo fruit (pl. mabungo), mbungo, or rubber vine and is widespread across most of tropical Africa as well as in Madagascar and Comoros. The fruit looks similar to an orange with a hard orange peel but when opened it contains a dozen or so pips, which have the same texture as a mango seed. The fruit also makes a delicious juice drink which has been described as tasting "somewhere between a mango, an orange and a pineapple". The aromatic juice of the bungo fruit is also popular and highly

Dryopteris wallichiana, the alpine wood fern, is a robust species of deciduous or semi-evergreen fern in the family Dryopteridaceae, native to the Himalayas, Hawaii, Mexico and Jamaica. It grows to 90 cm (35 in) tall, occasionally 180 cm (71 in) by 75 cm (30 in) wide, with pale green tripinnate fronds, strongly contrasting with the dark brown ribs. The Latin specific epithet wallichiana refers to the 19th century Danish botanist Nathaniel Wallich. A popular plant in cultivation, it has gained the Royal Horticultural Society's Award of Garden Merit.

Deinostema is a genus of flowering plants belonging to the family Plantaginaceae. Its native range is Southern Russian Far East to Northern and Eastern China, Temperate Eastern Asia. Species: Deinostema adenocaula (Maxim.) T.Yamaz. Deinostema violacea (Maxim.) T.Yamaz.

Cryosophila williamsii, also known as Lago Yojoa palm or root-spine palm is a species of flowering plant in the family Arecaceae. It is found only in Honduras. It is threatened by habitat loss. Cryosophila williamsii is named in honor of prominent botanist Louis Otho Williams. The IUCN classified this plant as Critically Endangered, and it is assumed there are 200-270 mature individuals in the wild. Threats to this species include climate change and selective harvesting for ornamental purposes. The species' habitat has been largely converted to agriculture.

Cryosophila guagara is a species of flowering plant in the family Arecaceae. It is found in Costa Rica and Panama. It is threatened by habitat loss.

Tephrocactus alexanderi, also known as Tephrocactus geometricus, is a species of cactus under the genus Tephrocactus. It is also classified under the subfamily Opuntioideae. It is native to Argentina Catamarca (Angostura de Guanchim and Tinogasta) and close to the Bolivian border, where it is exposed to extreme heat and an arid climate. T. geometricus receives its name from the Greek word γεωμετρία (geometria), meaning geometry.

Suessenguthia is a genus of the Acanthaceae plant family comprising eight species of shrubs with showy, tubular flowers arranged in few-flowered heads. It occurs in the lowlands and Andean foothills of southern Peru, Bolivia, and the Brazilian state of Acre, often growing in small groups along rivers. Suessenguthia is similar to and closely related to the better known and larger genus Sanchezia. Suessenguthia multisetosa from eastern Bolivia is one of the more known species as it is cultivated for ornamental use.

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