Historically recognized angiosperm genera

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thumb|Sansevieria ehrenbergii in habitat. Sansevieria is a historically recognized genus of flowering plants, native to Africa, notably Madagascar, and southern Asia, now included in the genus Dracaena on the basis of molecular phylogenetic studies. Common names for the 70 or so species formerly placed in the genus include '''mother-in-law's tongue, devil's tongue, jinn's tongue, bow string hemp, snake plant and snake tongue'. In the APG III classification system, Dracaena'' is placed in the family Asparagaceae, subfamily Convallarioideae (formerly subfamily Nolinoideae); before that it was pl

Azaleas ( ) are flowering shrubs in the genus Rhododendron, particularly the former subgenera Tsutsusi (evergreen) and Pentanthera (deciduous). Azaleas bloom in the spring (April and May in the temperate Northern Hemisphere, and October and November in the Southern Hemisphere), their flowers often lasting several weeks. Shade tolerant, they prefer living near or under trees. They are part of the family Ericaceae.

Anagallis is a formerly recognized genus of flowering plants in the family Primulaceae. It had about 20–25 species, commonly called pimpernels. Molecular phylogenetic studies showed that Anagallis was embedded in the genus Lysimachia, so its species were transferred to that genus. The scarlet pimpernel referred to in literature was part of this genus.

Eichhornia, commonly called water hyacinths, was a polyphyletic genus of the aquatic flowering plants family Pontederiaceae. Since it was consistently recovered in three independent lineages, it has been sunk into Pontederia, together with Monochoria. Each of the three lineages is currently recognized as subgenera in Pontederia: Pontederia subg. Cabanisia, which includes P. meyeri, P. paniculata (the Brazilian water hyacinth), and P. paradoxa Pontederia subg. Oshunae, which includes the common water hyacinth, P. crassipes Pontederia subg. Eichhornia, which includes P. azurea, P. diversifoli

thumb|Selenicereus monacanthus, formerly Hylocereus monacanthus Hylocereus is a former genus of epiphytic cacti, often referred to as night-blooming cactus (though the term is also used for many other cacti). Several species previously placed in the genus have large edible fruits, which are known as pitayas, pitahayas or dragonfruits. In 2017, a molecular phylogenetic study confirmed an earlier finding that the genus Hylocereus was nested within Selenicereus, so all the species of Hylocereus were transferred to Selenicereus.

Michelia is a historical genus of flowering plants belonging to the family Magnoliaceae. The genus included about 50 species of evergreen trees and shrubs, native to tropical and subtropical south and southeast Asia (Indomalaya), including southern China. Today it is regarded as a synonym and section of the genus Magnolia.

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thumb|Calamus draco, syn. Daemonorops draco

thumb|Coronopus didymus

thumb|Primula matthioli, formerly Cortusa matthioli

Neofinetia was a genus of flowering plants from the orchid family, Orchidaceae, that is now regarded as a synonym of Vanda. It contained three species and was distributed in China, Korea, and Japan. thumb|Vanda falcata, formerly Neofinetia falcata

thumb|right|200px|Sarcostemma australe Sarcostemma is a formerly recognized genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1810. The name is derived from the Greek words σαρκὸς (sarkos), meaning "flesh," and στέμμα (stemma), meaning "garland". Members of the genus were known generally as climbing milkweeds or caustic bushes. The genus Sarcostemma has been shown to be nested within the genus Cynanchum, and in 2012 Sarcostemma was put into synonymy with Cynanchum.

Pyrethrum was a genus of several Old World plants now classified in either Chrysanthemum or Tanacetum which are cultivated as ornamentals for their showy flower heads. Pyrethrum continues to be used as a common name for plants formerly included in the genus Pyrethrum. Pyrethrum is also the name of a natural insecticide made from the dried flower heads of Chrysanthemum cinerariifolium and Chrysanthemum coccineum. The insecticidal compounds present in these species are pyrethrins.

Sarcocornia is a formerly recognized genus of flowering plants in the amaranth family, Amaranthaceae. Species are known commonly as samphires, glassworts, or saltworts. Molecular phylogenetic studies have shown that when separated from Salicornia, the genus is paraphyletic, since Salicornia is embedded within it, and Sarcocornia has now been merged into a more broadly circumscribed Salicornia. When separated from Salicornia, the genus has a cosmopolitan distribution, and is most diverse in the Cape Floristic Region of South Africa.

Arthrocnemum was a genus of shrubs in the family Amaranthaceae. Two or three species were included in the genus. They are halophytes with fleshy, apparently articulated plant stems and reduced leaves and flowers.

Tylophora is a former genus of climbing plants or vines, first described as a genus in 1810. The genus was originally erected by Robert Brown for four species he described in Australia. It was synonymized with Vincetoxicum in 2018, a decision accepted by Plants of the World Online .

genus of plants

Aptenia was a small genus of flowering plants in the family Aizoaceae, which was treated as a synonym of the genus Mesembryanthemum. Species formerly placed in the genus are native to southern Africa. The genus name is from the Greek a- (not) and ptenos (winged), and refers to the wingless fruit capsules.

Odontoglossum, first named in 1816 by Karl Sigismund Kunth, is a formerly accepted genus of orchids that is now regarded as a synonym of Oncidium. Several hundred species have previously been placed in Odontoglossum. The scientific name of the genus is derived from the Greek words odon (tooth) and glossa (tongue), referring to the two tooth-like calluses on the base of the lip.

thumb|Kochia scoparia Kochia is a synonym of the genus Bassia, which belongs to the subfamily Camphorosmoideae of family Amaranthaceae.

Echinomastus (meaning "spiny breast") was a formerly recognized genus of cacti. , it is accepted as a synonym of Sclerocactus. Species formerly placed in the genus are native to the southwestern United States and Mexico. thumb|Sclerocactus johnsonii, formerly Echinomastus johnsonii

thumb|Cultivar of Coleus scutellarioides, formerly Solenostemon scutellarioides

thumb|Primulina dryas, formerly Chirita dryas

Elythranthera, commonly known as enamel orchids, is a genus of flowering plants in the orchid family, Orchidaceae. It contains two species and a named hybrid, all endemic to the south-west of Western Australia. The genus was first formally described in 1963 by the Australian botanist Alex George who published his description in Western Australian Naturalist.

thumb|Lilium apertum, formerly Nomocharis aperta

thumb|Fruit of three cultivars of the common [[tomato (Solanum lycopersicum)]] Lycopersicon was a genus in the flowering plant family Solanaceae (the nightshades and relatives). It contained about 13 species in the tomato group of nightshades. First removed from the genus Solanum by Philip Miller in 1754, its removal leaves the latter genus paraphyletic, so modern botanists generally accept the names in Solanum. The name Lycopersicon (from Greek λυκοπέρσικον meaning "wolf peach") is a reference to German folklore about members of the nightshade family being used to summon werewolves, and still

Tetraena is a possible genus of flowering plants in the family Zygophyllaceae, subfamily Zygophylloideae. , Plants of the World Online and the World Flora Online accepted it as a synonym of Zygophyllum.

thumb | right |Glossodia major Glossodia, commonly known as waxlip orchids, is a genus of mostly purple orchids from Australia. The genus was first formally described in 1810 by the prolific Scottish botanist Robert Brown who published his description in Prodromus Florae Novae Hollandiae.

Gaura was a genus of flowering plants in the family Onagraceae, native to North America. The name was derived from Greek (gaûros) meaning "superb" and named in reference to the stature and floral display of some species in this genus. The genus included many species known commonly as beeblossoms. Genetic research showed that the genus was paraphyletic unless the monotypic genus Stenosiphon is included within Gaura, increasing the number of species in the genus to 22. Gaura is now a synonym of Oenothera, with the bulk of the Gaura taxa in genus Oenothera sect. Gaura .

Rhodophiala was a genus of herbaceous, perennial and bulbous plants in the Amaryllis family (Amaryllidaceae, subfamily Amaryllidoideae). It consisted of about 30 South American species distributed in southern Brazil, Argentina, and, specially, in Chile. Most of the species are known colloquially as añañuca. It has now been submerged in Zephyranthes.

thumb|200px|right|Adenostyles alpina (formerly Cacalia alpina) The genus Cacalia L. is a nomen rejiciendum (rejected name) under the International Code of Nomenclature for algae, fungi, and plants. The type species C. alpina L. has been transferred to Adenostyles alpina (L.) Bluff & Fingerh., and the former species of Cacalia now reside in a few different genera. Adenostyles Adenostyles alliariae (Gouan) A. Kern. Cacalia alliariae Gouan Adenostyles alpina (L.) Bluff & Fingerh. Cacalia alpina L. Adenostyles briquetii Gamisans Cacalia briquetii (Gamisans) Gamisans Adenostyles leucophylla (Willd.

thumb|Setaria distans, syn. Paspalidium distans Paspalidium (watercrown grass) is a formerly accepted genus of tropical and subtropical plants in the grass family. , Plants of the World Online treated it as a synonym of Setaria.

Pararistolochia is a formerly accepted genus in the plant family Aristolochiaceae. , it is considered a synonym of the genus Aristolochia.

Eriolobus is a former genus of plants in the family Rosaceae, native to Europe and the Middle East that is synonymized with Malus, the apples. Two species formerly included in it were Eriolobus florentinus, now Malus florentina and Eriolobus trilobatus, now Malus trilobata.

Schomburgkia was a genus of plants belonging to the family Orchidaceae. This genus was named for Richard Schomburgk, a German botanist who explored British Guiana during the 19th century. Former species of this genus were either epiphytic or lithophytic in their growth habit. According to the Royal Horticultural Society Schom. was the official abbreviation for this genus.

thumb|Platanthera yadonii, formerly Piperia yadonii Piperia is a former genus within the orchid family Orchidaceae that has since been subsumed under Platanthera.

Murchisonia was a genus of perennial herbs in the family Asparagaceae, subfamily Lomandroideae.

genus of plants

Platydesma is a formerly recognized genus of plants in family Rutaceae. Evidence from 2009 indicated that Platydesma is nested within the genus Melicope and is sister to all Hawaiian Melicope species, and it is now placed within that genus. The other Melicope species are dioecious (individual plants only bear either male or female flowers), whereas the flowers of species formerly placed in Platydesma are hermaphroditic, suggesting a rare evolutionary reversion away from dioecy. Species included: Platydesma remyi → Melicope remyi Platydesma rostrata → Melicope rostrata

Talipariti was a genus of plants in the mallow family Malvaceae. It is now considered to be a synonym of Hibiscus, in which case its species form the section Hibiscus sect. Azanzae. There were about 22 species, exclusively tropical except for one species whose range extends into temperate areas of Japan and Korea.

Mitranthes is a formerly accepted genus of plant in the family Myrtaceae. It was described as a genus in 1856. , it is regarded by Plants of the World Online as a synonym of the genus Psidium, although many of its former species have been moved to the genus Myrcia.

Killipia is a genus of flowering plants belonging to the family Melastomataceae. It is now a synonym of Miconia .

genus of plants

genus of plants

thumb| Tamarillo (S. betaceum) with unripe fruit

Syrmatium was a formerly accepted genus of flowering plants in the family Fabaceae (legumes), native to the southwestern United States. , it was considered a synonym of Acmispon by Plants of the World Online, and only Acmispon was recognized by the Jepson eFlora. thumb|Acmispon dendroideus var. veatchii, formerly Syrmatium veatchii

Xylothamia, the desert goldenrods, is a formerly accepted genus of flowering plants in the family Asteraceae. Until 2003, it was held to contain nine species of shrubs native to the deserts of Mexico and the southwestern United States. , Plants of the World Online divided the nine former species of Xylothamia among Aquilula, Gundlachia, and Medranoa.

Rupicola was a small genus of flowering plants in the family Ericaceae. The species placed in the genus are endemic to New South Wales in Australia.

thumb|Citrofortunella varieties (left to right): Jiangsu kumquat, calamansi, limequat, mandarinquat Citrofortunella are a large group of commercial hybrids that cross the kumquat with other citrus. In the system of citrus taxonomy established by Swingle, kumquats were placed in a different genus, Fortunella, from Citrus, which included citron, mandarin orange, pomelo and papedas. The result of genetic crosses between kumquats and these other citrus would then be intergeneric hybrids, so a novel genus name was coined for them in 1975, by compounding the names of the contributing genera to form

thumb|Faradaya splendida

thumb|right|Manglietia glauca (now Magnolia sumatrana var. glauca (Blume) Figlar & Noot.) as illustrated by Blume

genus of plants

Rulingia is a genus of flowering plants native to Australia and Madagascar. In 2011, all species were transferred to Commersonia with the exception of Rulingia cuneata, R. loxophylla, R. luteiflora and R. procumbens which have been transferred to the new genus Androcalva.

Corunastylis is a historically recognized genus of about 50 species of orchids, native to Australia and New Zealand, now included in the genera Genoplesium and Prasophyllum.

thumb|right|alt=Pratia|Pratia nummularia.jpg Pratia is a formerly recognized genus of flowering plants in the family Campanulaceae, native to Asia, Australia and New Zealand. Along with other genera, such as Hypsela and Isotoma, it is now included in Lobelia.

Arthrophyllum is a defunct genus of plants in the family Araliaceae. It was recognized by most authors until 2010, when all of its 30 species were "sunk" into Polyscias subgenus Arthrophyllum.

thumb|Prosthechea pygmaea, formerly Hormidium pseudopygmaeum Within the Orchidaceae, Hormidium was originally a subgenus of the genus Epidendrum, but was later raised to a full genus. It is now considered not to be distinct from the genus Prosthechea, of which it is a synonym. Most of the species of Hormidium have been transferred to Prosthechea, although others are now classified in Encyclia, Epidendrum, Homalopetalum, and Lepanthes.

Pedilanthus, the slipper spurges, was a plant genus of the family Euphorbiaceae, now subsumed into the genus Euphorbia on the basis of phylogenic analysis in the early 2000s. The former genus is now referred to as the Pedilanthus clade or as '''Euphorbia sect. Crepidaria'. It includes 15 species, 14 of which are restricted to Mexico, Central America and the Caribbean. Only one species (E. tithymaloides'') has a wide distribution, from the Florida to the West Indies and South America, and cultivated in all tropical regions with several cultivars.

Chamaesyce is former genus of plants in the family Euphorbiaceae, now subsumed into the genus Euphorbia as '''Euphorbia sect. Anisophyllum' in the subgenus Chamaesyce. The section contains around 350–365 species (around 210 New World and 140 Old World) that were formerly in the genus Chamaesyce. Plants in this section are known for their prostrate, branching habit and include probably best known for E. maculata, a temperate weed known as spotted spurge found worldwide, and E. hirta, a pantropical weed. Many of the species are known as sandmats. The section Anisophyllum is very closely related