Plants named in 1974

Persicaria odorata is a species of flowering plant in the knotweed family, Polygonaceae. It is sometimes referred to by the common names Vietnamese coriander, rau răm (from Vietnamese), laksa leaf (calque from Malay daun laksa), Vietnamese cilantro, phak phai (from Thai: ผักแพว), praew leaf, hot mint, Cambodian mint and Vietnamese mint, is an herb whose leaves are used in Southeast Asian and Northeast Indian cooking. But despite its other name, Vietnamese coriander is unrelated to the mints, nor is it in the mint family Lamiaceae, but its general appearance and fragrance are reminiscent of

Echinopsis pachanoi, synonyms including Trichocereus pachanoi and Trichocereus macrogonus var. pachanoi, is a fast-growing columnar cactus found in the Andes at 2,000–3,000 m (6,600–9,800 ft) in altitude. It is one of a number of kinds of cacti known as San Pedro cactus. It is native to Ecuador, and Peru, but is also found in Bolivia, Colombia, central Chile, the Canary Islands, and mainland Spain, and is cultivated in other parts of the world. Uses for it include traditional medicine and traditional veterinary medicine, and it is widely grown as an ornamental cactus. It has been used for

Tanacetum coccineum, also known as the painted daisy, is a species of flowering plant within the family Asteraceae.

Hagsatera is a genus of flowering plants from the orchid family, Orchidaceae.

Acacia aphylla, commonly known as leafless rock wattle, is a species of flowering plant in the family Fabaceae and is endemic to an area around Perth in Western Australia. It is a widely branched shrub with glaucous, sharply-pointed branchlets, flowers arranged in spherical light golden heads, and leathery, linear pods.

Dichanthelium is genus of flowering plants of the grass family, Poaceae. They are known commonly as rosette grasses and panicgrasses.

Bulbophyllum pecten-veneris is a flowering plant in the family Orchidaceae. It is a species of orchid that is also known as the yellow-flowered bulbophyllum or golden comb orchid.

Aloe argenticauda is a species of plant in the genus Aloe. It is endemic to Namibia. Its natural habitats are subtropical or tropical dry shrubland and rocky areas.

Echinopsis lageniformis, synonyms including Echinopsis scopulicola and Trichocereus bridgesii, is a cactus native to Bolivia. It is known as the Bolivian torch cactus. Among the indigenous populations of Bolivia, it is sometimes called achuma or wachuma, although these names are also applied to related species such as Trichocereus macrogonus which are also used for their psychedelic effects.

Bulbophyllum forrestii is a species of orchid in the genus Bulbophyllum in section Cirrhopetalum. It was named in honour of George Forrest (1873–1932).

Pyrrosia piloselloides, also known as the Dragon-scale fern, is a fern first published in 1974. Native to a wide range from Southwest India to Japan and Papuasia, it is an epiphytic fern that primarily grows in wet tropical biomes. The species is characterized by its dimorphic fronds and rhizomes covered in scales. It has distinct star-like hairs that cover its fronds.

Bulbophyllum hirundinis is a flowering plant in the family Orchidaceae.

Areceae is a palm tree tribe in the family Arecaceae. Subtribes: Archontophoenicinae Arecinae Basseliniinae Carpoxylinae Clinospermatinae Dypsidinae Laccospadicinae Oncospermatinae Ptychospermatinae Rhopalostylidinae Verschaffeltiinae Genera not assigned to subtribes: Bentinckia Clinostigma Cyrtostachys Dictyosperma Dransfieldia Heterospathe Hydriastele Iguanura Loxococcus Rhopaloblaste

Acaulimalva is a genus of plants in the family Malvaceae. It contains 21 species that are found in South America.

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Telanthophora is a genus of Mesoamerican plants in the groundsel tribe within the daisy family. Species Telanthophora arborescens (Steetz) H.Rob. & Brettell - Panamá, El Salvador, Costa Rica, Mexico (Oaxaca, Veracruz) Telanthophora bartlettii H.Rob. & Brettell - Belize Telanthophora cobanensis (J.M.Coult.) H.Rob. & Brettell - Mexico (Oaxaca, Chiapas), Guatemala, Belize, El Salvador, Honduras, Nicaragua Telanthophora grandifolia (Less.) H.Rob. & Brettell - Mexico (Veracruz, Oaxaca, Chiapas), Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica, Panamá Telanthophora serraquitchensis

Pseudonoseris is a genus of South American plants in the tribe Liabeae of the family Asteraceae. Species Pseudonoseris discolor (Muschl.) H.Rob. & Brettell - Peru, Bolivia Pseudonoseris glandulosa (Hieron.) Pruski - Peru Pseudonoseris striatum (Cuatrec.) H.Rob. & Brettell - Peru Pseudonoseris szyszylowiczii (Hieron.) H.Rob. & Brettell - Peru

Psacaliopsis is a genus of Mexican plants in the groundsel tribe within the daisy family. Species Psacaliopsis macdonaldii (B.L.Turner) C.Jeffrey - Oaxaca Psacaliopsis paneroi (B.L.Turner) C.Jeffrey - Oaxaca Psacaliopsis purpusii (Greenm. ex Brandegee) H.Rob. & Brettell - Oaxaca formerly included see Roldana Senecio Psacaliopsis pinetorum (Hemsl.) Funston & Villaseñor - Roldana pinetorum (Hemsl.) H.Rob. & Brettell Psacaliopsis pudica (Standl. & Steyerm.) H.Rob. & Brettell - Senecio nubivagus L.O.Williams

Magnolia omeiensis is a species of plant in the family Magnoliaceae. It is a tree endemic to Mount Emei in Sichuan province of south-central China. It is threatened by habitat loss. The species was first described as Parakmeria omeiensis by Wan-Chun Cheng in 1951. In 1974 James Edgar Dandy placed it in genus Magnolia as M. omeiensis.

Hylandia is a genus of plants, of the family Euphorbiaceae, named in honour of Australian botanist Bernie Hyland, by Herbert K. Airy Shaw. Hylandia dockrillii, sometimes referred to as blushwood, is a species in the family Euphorbiaceae; the common name is also used for the related species Fontainea picrosperma, from which tigilanol tiglate (EBC-46) is derived. It is native to the Cook region in Queensland, Australia.

Guevaria is a genus of South American flowering plants in the family Asteraceae. Species Guevaria alvaroi R.M.King & H.Rob. Guevaria loxensis (S.F.Blake & Steyerm.) R.M.King & H.Rob. Guevaria micranthera H.Rob. Guevaria sodiroi (Hieron. ex Sodiro) R.M.King & H.Rob. Guevaria vargasii (Chung) R.M.King & H.Rob.

Gingidia is a genus of flowering plants belonging to the family Apiaceae. Its native range is Southeastern Australia, New Zealand. Species: Gingidia algens (F.Muell.) J.W.Dawson Gingidia amphistoma Heenan Gingidia baxteri (J.W.Dawson) C.J.Webb Gingidia decipiens (Hook.f.) J.W.Dawson Gingidia enysii (Kirk) J.W.Dawson Gingidia flabellata (Kirk) J.W.Dawson Gingidia grisea Heenan Gingidia haematitica Heenan Gingidia harveyana (F.Muell.) J.W.Dawson Gingidia montana (J.R.Forst. & G.Forst.) J.W.Dawson Gingidia rupicola I.Telford & J.J.Bruhl Gingidia trifoliolata (Hook.f.) J.W.Dawson

Ferreyranthus is a genus of South American flowering plants in the family Asteraceae. Species

Euphorbia tanaensis, commonly known as the Tana River euphorbia, is a critically endangered flowering plant within the family Euphorbiaceae. This species is endemic to a specific location along the Tana River in Kenya. Discovered initially as a group of nine specimens in 1988, a follow-up survey conducted in 2006 found only four remaining individuals, with no evidence of natural regeneration. The habitat of Euphorbia tanaensisis is under threat from ongoing deforestation.

Euphorbia piscidermis is a species of plant native to the succulent scrublands of Ethiopa.

Eitenia is a genus of Brazilian flowering plants in the family Asteraceae. Species Eitenia polyseta R.M.King & H.Rob. - Brazil (Goiás, Distrito Federal) Eitenia praxeloides R.M.King & H.Rob. - Brazil (Goiás)

Crocus baytopiorum is a species of flowering plant in the genus Crocus of the family Iridaceae. It is a cormous perennial native to Turkey.

Bulbophyllum chondriophorum is a flowering plant in the family Orchidaceae. Within the genus Bulbophyllum it is in section Cirrhopetalum.

Astragalus iselyi is a rare species of flowering plant in the legume family known by the common name Isely's milkvetch. It is endemic to Utah in the United States. This perennial herb grows up to 25 centimeters tall. It produces yellowish white flowers nearly 2 centimeters long. The fruit is an inflated, rough-haired legume pod up to 3.8 centimeters long. This plant occurs in three areas in southeastern Utah, two in San Juan County and one in Grand County. It is limited to soils originating from the Morrison and Mancos Formations, and possibly the Paradox Formation. The soils are clay rich in

Vittetia is a genus of Brazilian plants in the tribe Eupatorieae within the family Asteraceae. Species Vittetia bishopii R.M.King & H.Rob. - Minas Gerais Vittetia orbiculata (DC.) R.M.King & H.Rob. - Paraná, Santa Catarina, São Paulo