Plants named in 1924

The Actinidiaceae are a small family of flowering plants. The family has three genera and about 360 species and is a member of the order Ericales.

Yuzu (Citrus × junos, from Japanese 柚子 or ユズ; ) is a citrus fruit and plant in the family Rutaceae of Chinese origin. Yuzu has been cultivated mainly in East Asia, though it has also recently been grown in New Zealand, Australia, Spain, Italy, and France. It is believed to have originated in central China as an F1 hybrid of the mangshanyeju (Chinese: 莽山野橘) subspecies of mandarin orange and the ichang papeda.

Fitzroya is a monotypic genus in the cypress family. The single living species, Fitzroya cupressoides, is a tall, long-lived conifer native to the Andes mountains and coastal regions of southern Chile, and to the Argentine Andes, where it is an important member of the Valdivian temperate forests. Common names include lawal (in Mapudungun, Hispanicized as lahual), alerce ([aˈleɾse], "larch" in Spanish), and Patagonian cypress. The genus was named in honour of Robert FitzRoy. The genus is ancient with it dating back to the Cretaceous of South America. Fossils are also known from the Paleogene

Melaleuca alternifolia, commonly known as tea tree, is a species of tree or tall shrub in the myrtle family, Myrtaceae. Endemic to Australia, it occurs in southeast Queensland and the north coast and adjacent ranges of New South Wales where it grows along streams and on swampy flats, and is often the dominant species where it occurs.

Tetrachondraceae is a plant family in the order Lamiales. The family contains the two genera Polypremum and Tetrachondra, which together comprise the three species: Polypremum procumbens L. (1753) – juniper leaf or rustweed Tetrachondra hamiltonii Petrie ex Oliv. (1892) Tetrachondra patagonica Skottsb. (1912)

Pinus amamiana (Amami pine, Yakushima white pine) is a species of pine. It is a native of southern Japan, on the islands of Yakushima and Tanegashima south of Kyūshū. It has also been grown horticulturally in Japanese parks. This pine can grow to a height of 25 m with a trunk diameter of up to 1 m. The needles grow in bundles of five and the cones are 5–8 cm in length. This tree is known in Japanese as amami-goyōmatsu, amami-goyō, and yakutane-goyō.

Juniperus tibetica, the Tibetan juniper, is a species of juniper, native to western China in southern Gansu, southeastern Qinghai, Sichuan, and Tibet Autonomous Region, where it grows at high to very high elevations of 2,600–4,900 metres (8,500–16,100 feet). This species has the highest known elevation treeline in the northern hemisphere. The highest known stand of J. tibetica was found at 29°42' N 96°45' E at 4900 m in southeastern Tibet (Xizang Autonomous Region, Baxoi County). It is an evergreen coniferous shrub or small to medium-sized tree growing to heights of 5–15 m (16–49 ft), rarely

Brunnera macrophylla, the Siberian bugloss, great forget-me-not, largeleaf brunnera or heartleaf, is a species of flowering plant in the family Boraginaceae, native to the Caucasus. It is a hardy, rhizomatous, herbaceous perennial, that can reach from 12 to 18 inches (30 to 45 cm) in height, and carries basal, simple cordate leaves on slender stems. Sprays of small blue flowers, similar to those seen in the related forget-me-nots, are borne from mid-Spring, and bloom for eight to ten weeks. The plant is valued as groundcover in shady areas, and has clumps of large heart-shaped leaves of about

Quercus chihuahuensis, the Chihuahua oak, is a species of oak in the beech family. It is native to the region from extreme western Texas west to Sonora, Mexico, and south to Zacatecas and San Luis Potosí. It grows mostly at mid elevations, from 400–2,000 metres (1,300–6,600 feet) above sea level, in forests mixed with various pines and other oaks. It is one of the dominant species of the Sierra Madre Occidental in Chihuahua and Sonora. The tree grows up to 10 m (33 ft) tall, very common in much of its range. The leaves are entire to toothed or sublobate, green on the top but yellow or gray on

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Quercus depressipes (known as depressed oak and Davis Mountain oak) is a species of plant in the family Fagaceae. It is found in North America, primarily Mexico and the United States.

Cochlospermum regium, also known as yellow cotton tree (Portuguese: Algodao do cerrado; Thai: สุพรรณิการ์, RTGS: suphannika), is a flowering plant that has its origins in the Cerrado tropical savanna of South America (Bolivia, Brazil, Paraguay), but now it is also common in Southeast Asia. Cochlospermum regium is a small tree. Its yellow and bright flowers have antioxidant properties. In Thailand it is the provincial flower of Nakhon Nayok, Sara Buri, Buri Ram, Suphan Buri and Uthai Thani Provinces.

Leucophyllum frutescens is an evergreen shrub in the figwort family, Scrophulariaceae, native to the U.S. state of Texas, where it is the official "State Native Shrub of Texas", and to the states of Coahuila, Nuevo León, and Tamaulipas in northern Mexico. Although commonly known as Texas sage, it is not a true sage and is distinct from the genus Salvia. The species is also called Texas Ranger, Texas rain sage, cenizo, Texas silverleaf, Texas barometerbush, ash-bush, wild lilac, purple sage, senisa, cenicilla, palo cenizo, or hierba del cenizo.

Juniperus przewalskii, or Przewalski's juniper, is a species of juniper native to the mountains of western China in Gansu, Qinghai, and northernmost Sichuan, growing at altitudes of 1,000-3,300 m. It is an evergreen tree reaching 15–20 m tall. The leaves are of two forms, juvenile needle-like leaves 4–10 mm long, and adult scale-leaves 1.5–3 mm long on shoots 1.2-1.5 mm thick. Juvenile leaves are found mainly on seedlings but continue to be produced on scattered shoots on mature trees. It is monoecious with male (pollen) and female (seed) cones on the same plant. The seed cones are

Quercus viminea, the Sonoran oak, or Mexican willow oak, is a North American species of oak. It is native to northwestern and west-central Mexico (Sonora, Chihuahua, Sinaloa, Durango, Nayarit, Jalisco), primarily in the Sierra Madre Occidental. The species range extends just north of the international border into Santa Cruz County in southern Arizona. Quercus viminea is an evergreen or drought-deciduous tree growing up to 10 metres (33 feet) tall. The leaves are narrowly lance-shaped, up to 15 centimetres (6 inches) long.

Tuberolabium is a genus of epiphytic flowering plants from the orchid family, Orchidaceae. It is native to the Old World Tropics, including China, Indochina, Taiwan, Indonesia, and the Philippines. Several species formerly included in Tuberolabium are now placed in the genus Trachoma.

Quercus similis, the swamp post oak or bottomland post oak, is an oak species native to the southeastern and south-central United States. The greatest concentration of populations is in Louisiana and Arkansas, Mississippi, and eastern Texas, with isolated population in Missouri, Alabama, and the Coastal Plain of Georgia and South Carolina. Quercus similis is a deciduous tree up to 25 meters (82 feet) tall. It has a straight trunk. The bark is brown and flaky. The branches are gray, and between 2 and 3 millimeters (1⁄16 and 1⁄8 inch) in diameter. The leaves are between 8 and 12 centimeters (3

Quercus hypoxantha is a species of oak. It has been found only in northeastern Mexico, in the States of Tamaulipas, Coahuila, and Nuevo León.

Quercus deserticola is a Mexican species of oaks in the beech family. It grows in central Mexico in the States of Guanajuato, Mexico, Hidalgo, Jalisco, Querétaro, Oaxaca, Sinaloa, Puebla, and Michoacán.

Quercus chenii is a species of live oak native to southeast China. It is in subgenus Cerris, section Cerris. A tree reaching 30 metres (98 feet) in height, it grows from sea level to about 600 m (2,000 ft) in elevation, and can form pure stands. Some authorities feel that it could be a synonym of Quercus acutissima.

Quercus canbyi (Canby oak, Sierra oak), synonyms including Quercus graciliformis, is a North American species of oak tree.

Podocarpus guatemalensis is a species of conifer in the family Podocarpaceae. Its common names include British Honduras yellowwood, ocotillo de llano, cypress de montaña, cipresillo, alfajillo, pinillo, palo de oro, and piño de montaña.

Cynorkis is a genus of orchids in the subtribe Orchidinae. Species in this genus are native to mainland Africa, the Comoro Islands, the Mascarene Islands, and Madagascar.

Paphiopedilum delenatii, described in 1924, is named after Delanat, a French orchid enthusiast of the 1900s. It was first discovered in 1913 when it was brought to France by returning soldiers, and was believed to be extinct and was not rediscovered in the wild until 1993. In the wild, blooming is in December, but in cultivation the plants generally bloom later, from January to March (July to September in the southern hemisphere). The flowers are fragrant.

Pachypodium horombense is a species of Pachypodium endemic to Madagascar. The plant trunk is pachycaul, and typically short and fat. It produces large, campanulate, yellow flowers.

Hickelia is a genus of African bamboo in the grass family. Species Hickelia africana S.Dransf. - Tanzania Hickelia alaotrensis A.Camus - Madagascar Hickelia madagascariensis A.Camus - Madagascar Hickelia perrieri (A.Camus) S.Dransf. - Madagascar

Descurainia bourgaeana (hierba pajonera or flixweed) is a species of flowering plant in the family Brassicaceae endemic to Las Cañadas del Teide on Tenerife and La Palma in the Canary Islands. Descurainia bourgaeana grows as shrubby clumps about 1 metre in height with yellow flowers.

Bulbophyllum bicoloratum is a species of orchid in the genus Bulbophyllum.

Testulea is a monotypic genus of plants in the family Ochnaceae. It contains only one species, Testulea gabonensis, an endangered species native to Central Africa.

Taraxacum japonicum is a species of dandelion that grows in Japan.