Plants named in 1858

Macadamia is a genus of four species of trees in the flowering plant family Proteaceae. They are indigenous to Australia—specifically, northeastern New South Wales and central and southeastern Queensland. Two species of the genus are commercially important for their fruit, the macadamia nut (or simply macadamia). Global production in 2025 was 344,000 tonnes (379,000 short tons). Other names include Queensland nut, bush nut, maroochi nut or bauple nut. It was an important source of bushfood for the Aboriginal peoples. The nut was first commercially produced on a wide scale in Hawaii, where

Amorphophallus konjac, commonly known as moyu (Chinese: 魔芋; pinyin: móyù, lit. 'demonic taro', 'magical taro'), juruo (Chinese: 蒟蒻; pinyin: jǔruò), konnyaku, or konjac is a species of flowering plant in the family Araceae. In English, it is also referred to as devil's tongue, voodoo lily, snake palm, or elephant yam. Native to China and cultivated in East and Southeast Asia, the perennial species forms a corm, the stem of which produces a purplish flower. Food made from the corm is known as móyù (Chinese: 魔芋), a term that also refers to the plant itself, and as konnyaku in Japanese. It can be

Schlumbergera is a small genus of cacti with six to nine species native to the coastal mountains of southeastern Brazil. These plants grow on trees or rocks in habitats that are generally shady with high humidity, and can be quite different in appearance from their desert-dwelling cousins. Most species of Schlumbergera have stems which resemble leaf-like pads joined one to the other and flowers which appear from areoles at the joints and tips of the stems. Two species have cylindrical stems more similar to other cacti. Common names for these cacti generally refer to their flowering season. In

Calophyllaceae is a family of flowering plants in the order Malpighiales and is recognized by the APG III system of classification. Most of the 14 genera and 475 species included in this family were previously recognized in the tribe Calophylleae of the family Clusiaceae. The Angiosperm Phylogeny Group determined that splitting this clade of genera off into their own family was necessary.

Velloziaceae is a family of monocotyledonous flowering plants. The APG II system, of 2003 (unchanged from the APG system, 1998), also recognizes this family, and assigns it to the order Pandanales.

Ixonanthaceae is a pantropical flowering plant family of trees or shrubs, consisting of about 30 species in 3 or 4 genera. It is a broadleaf evergreen.

Jungermanniales is the largest order of liverworts. They are distinctive among the liverworts for having thin leaf-like flaps on either side of the stem. Most other liverworts are thalloid, with no leaves. Due to their dorsiventral organization and scale-like, overlapping leaves, the Jungermanniales are sometimes called "scale-mosses".

Iteaceae is a flowering plant family of trees and shrubs native to the eastern USA, southeastern Africa, and south and Southeastern Asia. Some older taxonomic systems place the genus Itea in the family Grossulariaceae. The APG III system of 2009 includes the former Pterostemonaceae in Iteaceae. Consequently, it now has two genera with a total of 18 known species.

Strelitzia nicolai, commonly known as the wild banana or giant white bird of paradise, is a species of banana-like plants with erect woody stems reaching a height of 7–8 m (23–26 ft), and the clumps formed can spread as far as 3.5 m (11 ft). Strelitzia nicolai is among the few plants which have been verified to contain the pigment bilirubin, which is usually found in animals.

Exochorda is a small genus of flowering plants in the family Rosaceae, native to China and central Asia (Turkestan). They are used as ornamental plants with the common name pearl bush, or pearlbush. Numerous species have been described on the basis of differing appearance and geographical separation, but a systematic study revealed that the different types are closely related and probably all descended from a single species that formerly had a wide distribution that has been fragmented by habitat loss. As a single species the correct name is E. racemosa.

Phoenix reclinata (reclinata - Latin, reclining), the wild date palm or Senegal date palm, is a species of flowering plant in the palm family native to tropical Africa, the Arabian Peninsula and Madagascar. It is introduced in Florida, Puerto Rico, Bermuda, Trinidad and Tobago, the Leeward Islands, Tunisia and Vietnam. The plants are found from sea level to 3000 m, in rain forest clearings, monsoonal forests and rocky mountainsides.

Quercus kelloggii, the California black oak or Kellogg oak, is an oak in the red oak section (genus Quercus, section Lobatae, series Agrifoliae) native to western North America.

Citrus australasica, the finger lime or caviar lime, is a thorny understorey shrub or small tree of lowland subtropical rainforest in the coastal border region of Queensland and New South Wales, Australia. It has edible fruits which are grown as a commercial crop.

Orthosiphon aristatus, commonly known as cat's whiskers or Java tea, is a plant species in the family Lamiaceae (also known Labiatae). The plant is a medicinal herb found mainly throughout southern China, the Indian subcontinent, South East Asia, and tropical Queensland, Australia. As a medical herb, it is used for increasing excretion of urine, lowering uric acid, protecting kidney, reducing oxidative stress, reducing inflammation, protecting liver, protecting stomach, lowering blood pressure, ameliorating diabetes, ameliorating hyperlipidemia, fighting microorganisms and fighting anorexia.

Brachychiton acerifolius is a large tree of the family Malvaceae endemic to tropical and subtropical regions on the east coast of Australia. It is famous for the bright red bell-shaped flowers that often cover the whole tree when it is leafless. It is commonly known as the flame tree, Illawarra flame tree, lacebark tree, or (along with other members of the genus) kurrajong.

Thismiaceae is a family of flowering plants whose status is currently uncertain. The Angiosperm Phylogeny Group classifications (APG II, APG III, and APG IV) merge Thismiaceae into Burmanniaceae, noting that some studies have suggested that Thismiaceae, Burmanniaceae and Taccaceae should be separate families, whereas others support their merger. The family has been recognized by some authors (like J. Hutchinson, Chase et al. 1995, 2000; Caddick et al. 2000; Neyland 2002; Thiele & Jordan 2002, Merckx et al. 2006 and Woodward et al. 2007). Others have supported the APG position of merging the

Posidonia australis, also known as fibre-ball weed or ribbon weed, is a species of seagrass that occurs in the southern waters of Australia. It forms large meadows important to environmental conservation. Balls of decomposing detritus from the foliage are found along nearby shore-lines. In 2022, a single stand in Shark Bay was reported by scientists to not only be the largest plant in the world, but the largest organism by square size.

Pinus pinceana, with the common names weeping pinyon and Pince's pinyon pine, is a species of conifer in the family Pinaceae.

Flueggea suffruticosa is a species of flowering plant in the family Phyllanthaceae. It is a deciduous shrub that is native to East Asia. It is one of the 50 fundamental herbs used in traditional Chinese medicine, where it has the name yī yè qiū (Chinese: 一叶秋).

Stachyurus is the only genus in the flowering plant family Stachyuraceae, native to the Himalayas and eastern Asia. They are deciduous shrubs or small trees with pendent racemes of 4-petalled flowers which appear on the bare branches before the leaves. The plants have leaves with serrate margins. Pendunculagin, casuarictin, strictinin, casuarinin and casuariin are ellagitannins found in species in this genus. Stachyurus praecox and the slightly later-flowering S. chinensis, from Japan and China, respectively, are both cultivated as ornamental plants elsewhere as they flower early in temperate

Neviusia, the snow-wreaths, is a genus of ornamental plants, which are native to the United States, containing two extant species and one extinct species known from fossil leaves. This genus is a rare example of a disjunct range occurring in North America. The type species, Neviusia alabamensis, occurs in several southeastern states, while second extant species, Neviusia cliftonii, is endemic to the Mt Shasta region of California, and the extinct species Neviusia dunthornei is found in shale deposits in the Okanagan Highlands of Washington and British Columbia. It is named for Episcopal

Gymnomitriaceae is a liverwort family in the order Jungermanniales.

Arthrochilus, commonly called elbow orchids, is a genus of about fifteen species of flowering plants from the orchid family (Orchidaceae) and is found in Australia and New Guinea. The flowers are pollinated by male thynnid wasps which attempt to mate with the flower and are held in place by hooks while the pollinium is transferred between insect and flower.

Salix amygdaloides, the almond leaf willow or peach leaf willow, is a species of willow native to central North America east of the Cascade Range. It can be found in southern Canada and the United States—from western British Columbia to Quebec, Idaho, Montana and Arizona to eastern Kentucky. As of 2022, it is presumed extirpated from the state of Kentucky. It is a small to medium-sized deciduous tree, growing to 4–20 metres (13–66 ft) tall; besides the cottonwoods, it is the largest tree native to the prairies. It has a single trunk, or sometimes several shorter trunks. The leaves are

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Uapaca is a genus of plant, in the family Phyllanthaceae first described as a genus in 1858. It is the only genus comprised in the tribe Uapaceae. The genus is native to Africa and Madagascar. Uapaca is dioecious, with male and female flowers on separate plants. species formerly included Uapaca benguelensis – Uapaca kirkiana var. benguelensis Uapaca esculenta – Uapaca pynaertii Uapaca gossweileri – Uapaca kirkiana var. gossweileri Uapaca griffithii – Drypetes riseleyi Uapaca katentaniensis – Uapaca teusczii f. pilosa

Trithuria is a genus of small ephemeral aquatic herb that represent the only members of the family Hydatellaceae found in India, Australia, and New Zealand. Almost all described species of Trithuria are found in Australia, with the exception of T. inconspicua and T. konkanensis, from New Zealand and India respectively. Until DNA sequence data and a reinterpretation of morphology proved otherwise, these plants were believed to be monocots related to the grasses (Poaceae). They are unique in being the only plants besides two members of Triuridaceae (Lacandonia schizmatica and L. braziliana) in

Plagiogyria is a genus of ferns, the only genus in family Plagiogyriaceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Alternatively, the family may be treated as the subfamily Plagiogyrioideae of a very broadly defined family Cyatheaceae, the placement used for the genus in Plants of the World Online as of November 2019. Ferns of this genus present two kind of fronds, the fertile ones longer than the sterile. These ferns are found on forest soils in mountainous areas of tropical and subtropical regions. Most are native to Asia; one is found in the Americas.

Oreorchis is a genus of flowering plants from the orchid family, Orchidaceae. It is native to Asia. Species currently accepted as of June 2014:

Crataegus ambigua is a species of thorn (hawthorn) native to Western Asia and Eastern Europe, including Armenia, Iran, Russia, and Turkey. It grows as a shrub or tree up to about 12 m in height. The fruit is dark red to purple or black, with one or two stones (pyrenes). Crataegus ambigua is closely related to Crataegus songarica, a species that has black fruit.