Plants named in 2012

Lipandra polysperma (Syn. Chenopodium polyspermum), common name manyseed goosefoot, is the only species of the monotypic plant genus Lipandra from the subfamily Chenopodioideae of the family Amaranthaceae.

Chenopodiastrum murale (Syn. Chenopodium murale) is a species of plant in the family Amaranthaceae known by the common names nettle-leaved goosefoot, Australian-spinach, salt-green, and sowbane. This plant is native to Europe and parts of Asia and northern Africa, but it is widespread worldwide, particularly in tropical and subtropical areas due to the ease of it being introduced. It is a common weed of fields and roadsides.

Oxybasis rubra (syn. Chenopodium rubrum), common names red goosefoot or coastblite goosefoot, is a member of the genus Oxybasis, a segregate of Chenopodium (the goosefoots). It is native to North America and Eurasia. It is an annual plant.

Oxybasis glauca (syn. Chenopodium glaucum), common name oak-leaved goosefoot, is a species of goosefoot plant native to Europe. It has been introduced to North America, where it has become an invasive weed, and North Korea, where it grows in trampled habitats.

Monoon longifolium, the false ashoka, also commonly known by its synonym Polyalthia longifolia, is an Asian small tree species in the family Annonaceae. It is native to southern India and Sri Lanka, but has been widely introduced elsewhere in tropical Asia. This evergreen tree is known to grow over 20 m. in height and is commonly planted due to its effectiveness in alleviating noise pollution. It exhibits symmetrical pyramidal growth with willowy weeping pendulous branches and long narrow lanceolate leaves with undulate margins. Monoon longifolium is sometimes incorrectly identified as the

Chenopodiastrum hybridum is a species of flowering plant in the family Amaranthaceae. It is found in Europe and Asia.

Oxybasis chenopodioides (syn. Chenopodium chenopodioides) is a species of flowering plant in the family Amaranthaceae known by the common name saltmarsh goosefoot (or low goosefoot in America). It is native to Europe, Asia and parts of Africa, where it grows on bare mud in brackish hollows in coastal grassland, inland salt steppes and salty deserts. It has spread to similar habitats in both North and South America. Its habitat is an uncommon one and is threatened by agricultural improvement in many areas, but overall its populations are stable. This species often grows with, and is easily

Oxybasis urbica is a species of flowering plant belonging to the family Amaranthaceae. Its native range is Europe to Russian Far East and Northern China.

Leucostele atacamensis (cardón) is a species of cactus from Chile, Argentina and Bolivia. The wood of this species can be used in building and in making furniture.

Leuenbergeria bleo, formerly Pereskia bleo, (rose cactus, leaf cactus) is a leafy cactus, native to the shady, moist forests of Central America, that grows to a woody, prickly shrub about 2 m tall with large, orange flowers resembling rose blossoms.

Callianthe picta, formerly Abutilon pictum, is a species of flowering plant in the family Malvaceae. It is native to southern Brazil, Argentina, Paraguay and Uruguay. The plant has become naturalised in Central America, and is used in horticulture. Common names include redvein abutilon, red vein Indian mallow, redvein flowering maple, Chinese-lantern and red vein Chinese lanterns. Callianthe striata (formerly A. striatum) is sometimes considered a synonym of C. picta.

Leucostele chiloensis is a species of cactus native to South America; genus members are known as hedgehog cacti, sea-urchin cactus or Easter lily cactus.

Goeppertia allouia (syn. Calathea allouia), known as lerén or lairén in Spanish, and also known in English as Guinea arrowroot, and sweet corn root, is a plant in the arrowroot family, native to northern South America and the Caribbean. The name "allouia" is derived from the Carib name for the plant. Lerén is a minor food crop in the American tropics, but was one of the earliest plants domesticated by pre-historic Amerindians in South America.

Gaga (gaga lipfern) is a genus of 19 species of ferns in the family Pteridaceae named after American singer and songwriter Lady Gaga. Two of the 19 species are newly-described: Gaga germanotta from Costa Rica, named after the family of the singer (she was born Stefani Germanotta), and Gaga monstraparva, in honor of Gaga's fans, whom she calls "little monsters". According to biologists, the ferns bear a close resemblance to Gaga's costume from the 52nd Annual Grammy Awards and also bear a distinct DNA sequence spelling GAGA. Except for the two new species, the rest of the Gaga ferns were

Chenopodiastrum is a genus of herbaceous flowering plants in the family Amaranthaceae. The genus was formally described in 2012. The five species occur in both the Old World and North America.

Leucostele terscheckii, commonly known as the cardon grande cactus or Argentine saguaro, is a large cactus native to South America and popular in cultivation.

Callianthe darwinii is a shrub typically growing 2 m tall, native to Paraná and Santa Catarina states in southern Brazil. The flowers are pink.

Cartrema americana, commonly called American olive, wild olive, or devilwood, is an evergreen shrub or small tree native to southeastern North America, in the United States from Virginia to Texas, and in Mexico from Nuevo León south to Oaxaca and Veracruz. Cartrema americana was formerly classified as Osmanthus americanus. Following the discovery that Osmanthus was polyphyletic, it was transferred to the segregate genus Cartrema together with Osmanthus floridanus and five Asian species. Cartrema americana grows to 4–7 m (13–23 ft), rarely to 11 m (36 ft) tall. The leaves are 5–14 cm (2.0–5.5

Leuenbergeria guamacho, the guamacho, is a species of plant that belongs to the cactus family and is one of the few cacti with spines that bears a strong resemblance to deciduous trees.

Acanthocalycium rhodotrichum is a species of Acanthocalycium found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.

Vanda curvifolia is a species of orchid found in Assam India, eastern Himalayas, Nepal, Myanmar, Thailand, Laos, southern China and Vietnam. It was formerly known as Ascocentrum curvifolium.

Solanum baretiae is a species of flowering plant in the genus Solanum, a member of the nightshade family that includes the potato and the tomato. It belongs to the section Anarrhichomenum and has similarities to Solanum chimborazense. The plant is found in the Andes in southern Ecuador and northwestern Peru. It was described by American botanist Eric J. Tepe in 2012 and named after Jeanne Baret, a French botanist who was the first woman to circumnavigate the world, disguised as a man and as assistant of Philibert Commerson. The plant occurs in a variety of habitats; its conservation status is

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Guarea cedrata, also called light bossé or scented guarea, is a species of plant in the family Meliaceae. It is found in Cameroon, the Republic of the Congo, the Democratic Republic of the Congo, Ivory Coast, Ghana, Liberia, Nigeria, Sierra Leone, and Uganda. It is threatened by habitat loss.

Erythranthe lewisii (Lewis' monkeyflower, great purple monkeyflower) is a perennial plant in the family Phrymaceae. It is named in honor of explorer Meriwether Lewis. Together with other species in Erythranthe, it serves as a model system for studying pollinator-based reproductive isolation. It was formerly known as Mimulus lewisii.

Erythranthe guttata, with the common names seep monkeyflower and common yellow monkeyflower, is a yellow bee-pollinated annual or perennial flowering plant. It was formerly known as Mimulus guttatus. Erythranthe guttata is a model organism for biological studies, and in that context is still referred to as Mimulus guttatus. There may be as many as 1000 scientific papers focused on this species. The genome is being studied in depth. For combined research of evolution, genetics, and ecology, particularly plant-insect interactions, the yellow monkeyflower has become a model system. With the help

Acanthocalycium leucanthum is a species of flowering plant in the cactus family Cactaceae from Argentina.

Echinopsis camarguensis, synonym Soehrensia camarguensis, is a species of Echinopsis found in Bolivia.

Leuenbergeria zinniiflora, formerly Pereskia zinniiflora, is a leafy cactus, native to the seasonally dry tropical forests of Cuba

Leuenbergeria quisqueyana is a species of flowering plant in the family Cactaceae. It is sometimes referred to by the common name Bayahibe rose, and is endemic to the Caribbean island of Hispaniola, in the Dominican Republic.