Plants named in 1784

Quercus petraea, commonly known as the sessile oak, Welsh oak, Cornish oak, Irish oak or durmast oak, is a species of deciduous oak tree native to most of Europe and into Anatolia and Iran. The sessile oak is the national tree of Ireland, and an unofficial emblem in Wales and Cornwall.

Rosa rugosa (rugosa rose, beach rose, Japanese rose, Ramanas rose, or letchberry) is a species of rose native to eastern Asia, in northeastern China, Japan, Korea and southeastern Siberia, where it grows on beach coasts, often on sand dunes. It is naturalized in much of Europe and parts of the United States and Canada. It should not be confused with Rosa multiflora, which is also known as "Japanese rose". The Latin word "rugosa" means "wrinkled", referring to the wrinkled leaves. Often used as an ornamental plant, it has become invasive in parts of Europe, North America and South America.

Acer palmatum, commonly known as Japanese maple, palmate maple, or smooth Japanese maple (Korean: danpungnamu [단풍나무]; Japanese: irohamomiji [イロハモミジ] or momiji [紅葉]), is a species of woody plant native to Korea, Japan, China, eastern Mongolia, and southeast Russia. Many different cultivars of this maple have been selected and they are grown worldwide for their large variety of attractive forms, leaf shapes, and spectacular colors.

Ulmus laevis Pall., variously known as the European white elm, fluttering elm, spreading elm, stately elm and, in the United States, the Russian elm, is a large deciduous tree native to Europe, from France northeast to southern Finland, east beyond the Urals into Kyrgyzstan and Kazakhstan, and southeast to Bulgaria and the Crimea; there are also disjunct populations in the Caucasus and Spain, the latter now considered a relict population rather than an introduction by man, and possibly the origin of the European population. U. laevis is rare in the UK, although its random distribution,

Prunus serotina, commonly called black cherry, wild black cherry, rum cherry, or mountain black cherry, is a deciduous tree or shrub in the rose family Rosaceae. Despite its common names, it is not very closely related to commonly cultivated cherries. It is found in the Americas.

Aloysia citrodora, lemon verbena, is a species of flowering plant in the verbena family Verbenaceae, native to South America. Other common names include lemon beebrush. It was brought to Europe by the Spanish and the Portuguese in the 17th century and cultivated for its oil.

Lonicera japonica, known as Japanese honeysuckle and golden-and-silver honeysuckle, is a species of honeysuckle native to East Asia, including many parts of China. It is often grown as an ornamental plant, but has become an invasive species in a number of countries. It is used in traditional Chinese medicine.

Acer japonicum, fullmoon maple, or downy Japanese-maple (Japanese: はうちは楓, romanized: hauchiwakaede), is a species of maple native to Japan, on Honshū, Hokkaidō, Kyūshū (Nagasaki Prefecture), and also southern Korea.

Rosa multiflora (syn. Rosa polyantha) is a species of rose known commonly as multiflora rose, baby rose, Japanese rose, many-flowered rose, seven-sisters rose, Eijitsu rose and rambler rose. It is native to eastern Asia, in China, Japan, and Korea. It should not be confused with Rosa rugosa, which is also known as "Japanese rose", or with polyantha roses which are garden cultivars derived from hybrids of R. multiflora. It was introduced to North America, where it is an invasive species, forming extensive, impenetrable stands within forest understories, thickets, borders, and lowlands.

Quercus dentata, also called Japanese emperor oak, daimyo oak, or Korean oak (Japanese: 柏, kashiwa; traditional Chinese: 柞櫟; simplified Chinese: 柞栎; pinyin: zuòlì; Korean: 떡갈나무, tteokgalnamu), is a species of oak native to East Asia (Japan, Korea and China). The name of the tree is often translated as "sweet oak" in English to distinguish it from Western varieties. It is placed in section Quercus.

Equisetum pratense, commonly known as meadow horsetail, shade horsetail or shady horsetail, is a widespread horsetail (Equisetophyta) and it is a pteridophyte. Shade horsetail can be commonly found in forests with tall trees or very thick foliage that can provide shade and tends to grow closer and thicker around streams, ponds and rivers. The specific epithet pratense is Latin, meaning pasture or meadow dwelling.

Carex lasiocarpa is a broadly distributed species of wetland sedge sometimes known as woollyfruit sedge or slender sedge. It is considered a species of Least Concern by the IUCN Red List due to its extensive range (much of North America, Europe, and Asia) with many stable populations.

Lavandula latifolia, known as broadleaved lavender, spike lavender, aspic lavender or Portuguese lavender, is a flowering plant in the family Lamiaceae, native to the western Mediterranean basin. Hybridization can occur in the wild with English lavender (Lavandula angustifolia). The scent of Lavandula latifolia is stronger, with more camphor, and more pungent than Lavandula angustifolia scent.

Elaeagnus umbellata is a species of flowering plant known as Japanese silverberry, umbellata oleaster, autumn olive, autumn elaeagnus, spreading oleaster, autumnberry, or autumn berry. The species is indigenous to eastern Asia and ranges from the Himalayas eastwards to Japan. It is a hardy, aggressive invasive species able to readily colonize barren land, becoming invasive in the central and northeastern United States and parts of Europe.

Quercus glauca (syn. Cyclobalanopsis glauca), commonly called ring-cupped oak or Japanese blue oak, is a tree in the beech family (Fagaceae). It is native to eastern and southern Asia, where it is found in Afghanistan, Bhutan, China, northern and eastern India, southern Japan, Kashmir, Korea, Myanmar, Nepal, Taiwan, and Vietnam. It is placed in subgenus Cerris, section Cyclobalanopsis.

Prunus fruticosa, the European dwarf cherry, dwarf cherry, Mongolian cherry or steppe cherry is a deciduous, xerophytic, winter-hardy, cherry-bearing shrub. It is also called ground cherry and European ground cherry, but is not to be confused with plants in the distinct "Groundcherry" genus of Physalis. Prunus fruticosa is native to central and southeastern Europe, Ukraine, European Russia, the northern Caucasus, Kazakhstan, and the Altai.

Prunus tomentosa is a species of Prunus native to northern and western China (including Tibet), Korea, Mongolia, and possibly northern India (Jammu and Kashmir, though probably only cultivated there). Common names for Prunus tomentosa include Nanjing cherry, Korean cherry, Manchu cherry, downy cherry, Shanghai cherry, Ando cherry, mountain cherry, Chinese bush cherry, and Chinese dwarf cherry.

Celastrus orbiculatus is a woody vine of the family Celastraceae. It is commonly called Oriental bittersweet, as well as Chinese bittersweet, Asian bittersweet, round-leaved bittersweet, and Asiatic bittersweet. It is native to China, where it is the most widely distributed Celastrus species, and to Japan and Korea. It was introduced into North America in 1879, and is considered to be an invasive species in eastern North America. It closely resembles the native North American species, Celastrus scandens, with which it will readily hybridize.

Xylocarpus granatum, commonly known as the cannonball mangrove, cedar mangrove, or puzzlenut tree, is a species of mangrove in the mahogany family (Meliaceae). It is found in Africa, Asia, Australasia and the Pacific Islands. It is a common species of mangrove, and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".

Crataegus sanguinea (common names redhaw hawthorn or Siberian hawthorn) is a species of hawthorn that is native to southern Siberia, Mongolia, and the extreme north of China. It is cultivated for its edible red berry-like fruit which actually is a pome. The fruit can be eaten raw or cooked. They can be used to make jam, jelly, and fruit preserves. They are also grown in gardens as ornamental plants. The flowers are small, white in color, and occur in clusters. The flowers give off a carrion smell. The world's largest living individual of this species can be found in Volunteer Park, Seattle,

Aralia cordata is an upright herbaceous perennial plant growing up to 2 to 3 metres (6.6 to 9.8 ft) in height, native to Japan, Korea, Russian Far East, and eastern China. Its common names include spikenard, herbal aralia, udo (from Japanese: ウド), Japanese spikenard, and mountain asparagus. It is commonly found on the slopes of wooded embankments. Aralia cordata is a species of Aralia in the family Araliaceae. The plant yields new shoots every spring, which are blanched and then eaten as a vegetable. In Korea, the dried root of the plant has been traditionally used as medicine. The young

Quercus acuta, the Japanese evergreen oak, is an oak native to Japan, South Korea, Taiwan, and China's Guizhou Province and Guangdong Province. It is placed in subgenus Cerris, section Cyclobalanopsis.

Elaeagnus multiflora, the cherry elaeagnus, cherry silverberry, goumi, gumi, or natsugumi, is a species of Elaeagnus native to China, Korea, Japan and the Russian Far east (Sakhalin).

Aloysia is a genus of flowering plants in the verbena family, Verbenaceae. They are known generally as beebrushes. They are native to the Americas, where they are distributed in temperate climates, as well as in subtropical and desert climates. The genus is named for Maria Luisa of Parma (1751-1819), wife of King Charles IV of Spain.

Ilex crenata, also known as Japanese holly or box-leaved holly, is a species of flowering plant in the family Aquifoliaceae, native to East and Southeast Asia.

Camellia sasanqua, with common name sasanqua camellia, is a species of Camellia native to southern Japan (Kyushu, Ryukyu Islands and Shikoku). It is usually found growing up to an altitude of 900 m (3,000 ft). Growing to 5 m (16 ft) tall, this evergreen shrub has leaves that are broad and elliptic, 3–7 centimetres (1.2–2.8 in) long and 1.2–3 centimetres (0.5–1.2 in) broad, with finely serrated margins. The flowers are 5–7 centimetres (2.0–2.8 in) in diameter, with 5 to 8 white to dark pink petals.

Betula dahurica (lit. 'Daur birch'), Dahurian birch, or Asian black birch (Chinese: 黑桦; pinyin: hēihuà), is a species of birch which is native to China, Japan, Korea, eastern Mongolia, and Russian Far East. It was introduced to the United Kingdom and also grows at the Arnold Arboretum in Boston. In Japan, it usually grows in Nobeyama in Nagano Prefecture in the island of Honshu where it is considered to be endangered. Small population of them can also be found on Hokkaido and Kuril Islands.

Dioscorea japonica, known as East Asian mountain yam, yamaimo, or Japanese mountain yam, is a type of yam (Dioscorea) native to Japan (including Ryukyu and Bonin Islands), Korea, China, Taiwan, and Assam. Dioscorea japonica is used for food. Jinenjo, also called the wild yam, is a related variety of Japanese yam that is used as an ingredient in soba noodles.

Callicarpa japonica, commonly known as East Asian beautyberry or Japanese beautyberry, is a plant in the mint family. It is a deciduous shrub, most notable for producing purple drupes (its "berries") in the fall. The flowers can range from pink through white. This species is native to China, Japan, Korea, the Ryukyu Islands and Taiwan. It is considered to be a common species in Japan. It is cultivated as an ornamental bush, and it is very popular in gardens and parks. The fruits are not edible for humans, but are food of birds and deer. The leaves can be used to make herbal tea.

Stellaria crassifolia, the fleshy starwort, is a species of flowering plant in the carnation family Caryophyllaceae, found in northern North America, Europe, and Asia. Its common Icelandish name is "Stjörnuarfi" (star-weed).