Plants named in 1903

The Poales are a large order of flowering plants in the monocotyledons, and includes families of plants such as the grasses, bromeliads, rushes and sedges. 14 plant families are currently recognized by botanists to be part of Poales.

Dracaena trifasciata is a species of flowering plant in the family Asparagaceae, native to tropical West Africa from Nigeria east to the Congo. It is most commonly known as the snake plant, Saint George's sword, mother-in-law's tongue (a name it shares with Dracaena hyacinthoides), and viper's bowstring hemp, among other names. Until 2017, it was known under the synonym Sansevieria trifasciata. This plant is often kept as a houseplant due to its non-demanding maintenance; they can survive with very little water and sun.

Zelkova serrata (Japanese zelkova, Japanese elm, keyaki, or keaki; Japanese: 欅, romanized: keyaki or 槻, tsuki; simplified Chinese: 榉树; traditional Chinese: 櫸樹; pinyin: jǔshù; Korean: 느티나무; RR: neutinamu) is a species of the genus Zelkova native to Japan, Korea, eastern China and Taiwan. It is often grown as an ornamental tree, and used in bonsai. There are two varieties, Zelkova serrata var. serrata in Japan and mainland eastern Asia, and Zelkova serrata var. tarokoensis (Hayata) Li on Taiwan which differs from the type in its smaller leaves with less deeply cut serration on the margins.

Sorghum × drummondii (Sudan grass), is a hybrid-derived species of grass raised for forage and grain, native to tropical and subtropical regions of Eastern Africa. It may also be known as Sorghum bicolor × Sorghum arundinaceum after its parents. Some authorities consider all three species to be subspecies under S. bicolor. The plant is cultivated in Southern Europe, South America, Central America, North America and Southern Asia, for forage or as a cover crop. When treated as a weed, it is known as shattercane. It is distinguished from the grain sorghum (S. bicolor) by the grain (caryopsis)

Picea neoveitchii (Chinese: 大果青扦) is a species of conifer in the family Pinaceae. It is found only in China. It is threatened by habitat loss. Picea neoveitchii is an endemic spruce species of central China. Several scattered communities and individuals can be found growing on the southern slopes of Qinling Mountains in Baotian Man Nature Preserve, Henan province between 1240 and 2020 meters elevation. This spruce species is especially vulnerable to extinction due to the high fragmentation of its natural habitat from human disturbance. Current conservation efforts are focused on preserving

Dudleya, commonly known as liveforevers, is a genus of rosette-forming succulent plants in the stonecrop family, Crassulaceae, consisting of about ~70 taxa found in southwestern North America and Guadalupe Island. The genus is very morphologically diverse, with species ranging from large evergreen plants to tiny deciduous geophytic plants. The flowers of Dudleya have parts numbered in fives, with the petals arranged in tubular, star-shaped, or bell-shaped forms and, when fruiting, are filled with tiny, crescent-shaped seeds. The genus evolved as neoendemics, from ancestors in the stonecrop

Picea wilsonii is a species of conifer in the family Pinaceae. It is found only in China.

Acmopyle is a genus of conifers belonging to the family Podocarpaceae. It includes two species of evergreen trees, each endemic to separate islands of the southwestern Pacific Ocean.

Liriodendron chinense (commonly known as the Chinese tulip poplar, Chinese tulip tree or Chinese whitewood) is Asia's native species in the genus Liriodendron. This native of central and southern China grows in the provinces of Anhui, Guangxi, Jiangsu, Fujian, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Zhejiang, Sichuan and Yunnan, and also locally in northern Vietnam. Protected populations occur in the Tianmushan National Reserve [1], Huangshan [2], Wuyi Shan [3], and Badagongshan Nature Reserve [4].

Kalanchoe beharensis (commonly known as elephant's ear kalanchoe, felt bush, or feltbush) is a plant species in the succulent genus Kalanchoe, and the family Crassulaceae. Kalanchoe beharensis is native to Madagascar known by local names mongy, rongy and tavitavy.

Euphorbia obesa is a subtropical succulent species of flowering plant in the genus Euphorbia. It comes from the arid Karoo in the Eastern Cape Province of South Africa. It is sometimes referred to as the baseball plant. In the wild it is endangered because of over-collection and poaching, combined with its slow growth, and the fact that the pod contains only two or three seeds. However, it is widely cultivated in botanical gardens.

Acer pseudosieboldianum, the Korean maple or purplebloom maple, is a species of maple. It is native to northeastern China, Korea, and the Russian Far East.

Crassula tillaea is a succulent plant known by its common names mossy stonecrop and moss pygmyweed. It is a small fleshy plant growing only a few centimeters in height. It is green when new and gradually turns orange and then deep red when mature. It has tiny triangular pointed leaves only a few millimeters long. A tiny flower or pair of flowers grows between each oppositely-arranged pair of leaves; the flowers are about two millimeters in length and width. The fruit is a minute follicle containing one or two seeds. This plant is native to Eurasia, particularly the Mediterranean Basin, but is

Sorghastrum nutans, known as Indiangrass, is a North American prairie grass found in the United States and Canada, especially in the Great Plains and tallgrass prairies. It is sometimes called Indian grass, yellow Indian-grass, or wood grass.

Quercus austrina, the bastard white oak or bluff oak, is an oak species that is endemic to the Coastal Plain of the southeastern United States from Mississippi to South Carolina; previously reported populations in Arkansas and North Carolina were misidentifications. Quercus austrina can grow to a height of 45 to 60 feet (13.5–18 meters) with a spread of 35 to 50 feet (10.5–15 m). Leaves are narrow, with shallow rounded lobes. It tends to grow in wet habitats, such as on river bluffs, river bottoms, and flatwoods, and generally over basic substrates, such as mafic rocks, shells, or calcareous

Keteleeria evelyniana (Evelyn keteleeria, Chinese: 云南油杉; pinyin: Yúnnán yóushān, Vietnamese: Du sam) is a species of conifer in the family Pinaceae. It is native to southern China, Laos and Vietnam. It can grow to a height of 40 metres (130 ft).

Curcuma alismatifolia, Siam tulip or summer tulip (Thai: ปทุมมา, RTGS: pathumma; กระเจียวบัว, RTGS: krachiao bua; ขมิ้นโคก, RTGS: khamin khok) is a tropical plant native to Laos, northern Thailand, and Cambodia. Despite its name, it is not related to the tulip, but is a close relative of turmeric. It can grow as an indoor plant. It is a perennial herb growing up to 2 feet (0.61 metres) tall. Malvidin 3-rutinoside is a pigment responsible for bract color in C. alismatifolia.

Rhipsalis pilocarpa, the hairy-fruited wickerware cactus, is a species of flowering plant in the cactus family that is endemic to Brazil. Scarce in the wild, it is known only in a small number of isolated locations. Its status is listed as "vulnerable" by the IUCN Red List. However, it is cultivated as an ornamental houseplant and as such has gained the Royal Horticultural Society's Award of Garden Merit.

Quercus fusiformis (also often referred to as Q. virginiana var. fusiformis), commonly known as escarpment live oak, plateau live oak, plateau oak, or Texas live oak, is an evergreen or nearly evergreen tree. Its native range includes the Quartz Mountains and Wichita Mountains in southwestern Oklahoma, through Texas (approximately from the Brazos River west up to the Pecos River and the southern Llano Estacado), to the Mexican states of Coahuila, Tamaulipas, and Nuevo León. Quercus fusiformis is an evergreen tree in the southern live oaks section of the genus Quercus (section Virentes). It is

Delphinium luteum, known by the common name yellow larkspur, is a species of small perennial herb in the buttercup family bearing bright yellow cornucopia-shaped flowers. Endemic to the rocky, foggy hillsides of coastal Sonoma County, California, it is critically endangered, with about 200 individuals believed to be in existence as of 2005. The plant was never distributed beyond the coastal area of Sonoma and Marin counties, and has never been abundant. Activities in the area including quarrying, grazing, agriculture, and development further reduced the population of yellow larkspur to its

Baikiaea plurijuga, known as African teak, Mukusi, Rhodesian teak, Zambian teak, or Zambesi redwood, is a species of Afrotropical tree from the legume family, the Fabaceae from southern Africa. The genus is named for William Balfour Baikie (1824-1864), a Scottish explorer of the Niger River, and the species name means "having many pairs."

Villadia is a genus of plants in the family Crassulaceae. It includes about 25 to 30 species distributed from Texas to Peru.

Podocarpus parlatorei is a species of tree in the family Podocarpaceae and native to Argentina and Bolivia, where it grows on steep hillsides on the eastern flanks of the Andes. It has been harvested commercially in the past but is now protected under CITES. The International Union for Conservation of Nature has assessed its status as being "near threatened".

Impatiens balfourii is a species of the genus Impatiens known by the common names Balfour's touch-me-not, Kashmir balsam, and poor man's orchid. It belongs to the family Balsaminaceae.

Euphorbia abdelkuri is a species of plant in the family Euphorbiaceae. It is endemic to Abd al Kuri, an island south of Yemen. Its natural habitat is rocky areas. The latex of the plant is toxic. As most other succulent members of the genus Euphorbia, its trade is regulated under Appendix II of CITES.

Alluaudia procera, or Madagascar ocotillo, is a deciduous succulent plant species of the family Didiereaceae. It is endemic to south Madagascar.

Tulipa praestans is a species of tulip native to the mountains of Tajikistan. Many well known cultivars have been formed from the original plant.

Myrica cerifera is an evergreen tree or large shrub native to North and Central America and the Caribbean. Its common names include southern wax myrtle, southern bayberry, candleberry, bayberry tree, and tallow shrub. It has uses in the garden and for candlemaking, as well as a medicinal plant.

Crataegus dahurica is a species of hawthorn native to northeastern Asia. It is closely related to C. sanguinea. The fruit are red or yellow.

Aloe cameronii is a species of flowering plant in the family Asphodelaceae native to Malawi, Mozambique, Zambia, and Zimbabwe.