Plants named in 2009

Lysimachia arvensis, syn. Anagallis arvensis, commonly known as scarlet pimpernel, red pimpernel, red chickweed, poor man's barometer, poor man's weather-glass, shepherd's weather glass or shepherd's clock, is a species of low-growing annual plant with brightly coloured flowers, most often scarlet but also bright blue and sometimes pink. The native range of the species is Europe and Western Asia and North Africa. The species has been distributed widely by humans, either deliberately as an ornamental flower or accidentally. L. arvensis is now naturalised almost worldwide, with a range that

Lysimachia europaea (formerly known as Trientalis europaea) is a flowering plant in the primrose family Primulaceae, called by the common name chickweed-wintergreen or arctic starflower. It is a small herbaceous perennial plant with one or more whorls of leaves on a single slender erect stem. It is about 10 cm, 3.9 in high. The broad lanceolate leaves are pale green but take on a copper hue in late summer. The solitary white flowers (1–2 cm, 0.39–0.79 in diameter, usually with 6–8 petals) are reminiscent of small wood anemones and appear in midsummer. The fruits are globular, dry capsules,

Nepenthes attenboroughii, or Attenborough's pitcher plant, is a montane species of carnivorous pitcher plant of the genus Nepenthes. It is named after the celebrated broadcaster and naturalist Sir David Attenborough, who is a keen enthusiast of the genus. The species is characterised by its large and distinctive bell-shaped lower and upper pitchers and narrow, upright lid. The type specimen of N. attenboroughii was collected on the summit of Mount Victoria, an ultramafic mountain in central Palawan, the Philippines. In May 2010, the International Institute for Species Exploration at Arizona

Senegalia laeta, the gay acacia or daga, is a legume found in the family Fabaceae. It was formerly included in the genus Acacia.

Ida, synonym Sudamerlycaste, is a genus of flowering plants in the family Orchidaceae. It consists of approximately 45 species and hybrids. The genus was split off from Lycaste in the early 2000s.

Nepenthes bokorensis is a tropical pitcher plant endemic to Cambodia. It is known from Mount Bokor (also Phnom Bokor or Bokor Hill) in the south of the country, and an as yet undetermined specimen suggests that it may also be present in other parts of the Dâmrei Mountains of Kampot Province. The specific epithet bokorensis refers to both Mount Bokor and Bokor National Park.

Nepenthes pitopangii is a tropical pitcher plant endemic to the Indonesian island of Sulawesi. Discovered in 2006, N. pitopangii was initially known from a single plant at a remote locality in Lore Lindu National Park. Efforts made in the following years to locate further populations on surrounding mountains proved unsuccessful. In March 2011, a new population of N. pitopangii consisting of around a dozen plants was discovered more than 100 km from the type locality. Nepenthes pitopangii appears to be closely related to N. glabrata, from which it differs most obviously in its upper pitcher

Nepenthes naga is a tropical pitcher plant endemic to the Barisan Mountains of Sumatra. It is characterised by a forked sub-apical appendage on the underside of the lid and an undulate lid margin. The specific epithet naga is the Indonesian word for "dragon" and refers to the distinctive lid appendage of this species as well as the large size of its pitchers. The name also references local folklore, which tells of dragons occurring in this species's habitat in the past.

Galearis rotundifolia is a species of flowering plants in the orchid family, Orchidaceae. It is commonly called roundleaf orchid and small round-leaved orchid. It is a succulent perennial herb native to North America, where it occurs throughout Canada, part of the northern United States, and Greenland.

Albuca bracteata (syn. Ornithogalum longebracteatum), is known by the common names pregnant onion, false sea onion, and sea-onion. It is a species of bulbous flowering plant in the family Asparagaceae. Its flowering stems can reach a height of 90 cm and can carry up to 100 greenish white flowers.

Nymphaea ondinea is an aquatic plant in the family Nymphaeaceae native to northwestern Australia.

Nepenthes thai is a tropical pitcher plant endemic to peninsular Thailand. It grows on limestone hills at elevations of 500–600 m above sea level. Nepenthes thai has no known natural hybrids.

Libidibia ferrea, formerly Caesalpinia ferrea, and commonly known as Brazilian ironwood, leopardtree or jucá, is a tree found in Brazil.

Ixora margaretae is a species of plant in the family Rubiaceae. It is endemic to New Caledonia. It is threatened by habitat loss.

Cleistesiopsis is an orchid genus in the tribe Pogonieae. Its members were included in Cleistes until 2009. Cleistesiopsis is native to the eastern and southeastern United States from New Jersey south to Florida, and west to Kentucky and Louisiana. The common names are rosebud orchid and small spreading pogonia. Cleistesiopsis is a terrestrial orchid with an underground network of spreading fibrous roots. It is found in small clusters of single flowering stems, each with a single leaf blade about halfway up the 30 – 45 cm stem. A smaller floral bract clasps around the base of the flower and

Allium abbasii is a species of onion native to Iran.

Utricularia rostrata is a small annual (occasionally a perennial) carnivorous plant that belongs to the genus Utricularia. U. rostrata is endemic to the Chapada Diamantina highlands of Bahia, Brazil. It grows as a terrestrial plant in damp sandy soils near streams and waterfalls in semi-shaded areas at altitudes from 550 to 1,570 metres (1,800 to 5,150 ft). It was originally described and published by Andreas Fleischmann and Fernando Rivadavia in 2009, though specimens of this species had been discovered as early as 1992. Fleischmann and Rivadavia note that the species is common throughout

Rafflesia aurantia is a member of the genus Rafflesia. It is a parasitic flowering plant endemic to Luzon Island, Philippines in the Quirino Protected Landscape. See original publication and a review of Philippine Rafflesia.

Nepenthes micramphora is a tropical pitcher plant known only from Mount Hamiguitan on the island of Mindanao in the Philippines. It is a highland plant growing at elevations of 1,100–1,635 m. Nepenthes micramphora is closely allied to N. abgracilis and N. cid, both also from Mindanao, and together these species comprise the informal "N. micramphora group". The specific epithet micramphora is derived from the Greek mikros (small) and Latin amphora (amphora, urn), and references the tiny pitchers of this species.

Neokochia americana (syn. Bassia americana, Kochia americana) is a species of flowering plant in the amaranth family, subfamily Camphorosmoideae, known by the common name green molly.

Neokochia is a genus of flowering plants belonging to the family Amaranthaceae. Its native range is Western and Central USA. It is found in the states of Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Texas, Utah and Wyoming. The genus name of Neokochia is in honour of Wilhelm Daniel Joseph Koch (1771–1849), a German doctor and botanist. He was also professor of medicine and botany in Erlangen, and botanical garden director. It was first described and published in Madroño Vol.55 on page 255 (written in 2008, published in 2009).

Magnolia jardinensis is a tree native to Colombia and endangered due to its exploitation. Common names include Gallinazo blanco, copachí and centello.

Marginatocereus marginatus is a species of plant in the family Cactaceae. It is sometimes called Mexican fencepost cactus.

Iris zagrica is a species in the genus Iris, in the subgenus Hermodactyloides and section Reticulatae. It is a bulbous perennial plant. It was described by botanical authors Brian Mathew and Mehdi Zarrei in 2009, who published their findings in Curtis's Botanical Magazine volume 26(3), pages 245–252, table 653. Its name was verified in the US in 2003, by ARS Systematic Botanists It was named after the Zagros Mountains in Iran. In 2010, it was exhibited at the RHS London Early Spring Show by a Director of Kew. It was awarded a Botanical Certificate by the Joint Rock Garden Plant Committee of

Agrostopoa is a genus of flowering plants belonging to the family Poaceae. Its native range is Colombia. Species: Agrostopoa barclayae Davidse, Soreng & P.M.Peterson Agrostopoa wallisii (Mez) P.M.Peterson, Davidse & Soreng Agrostopoa woodii Soreng, P.M.Peterson & Davidse

Veronica jovellanoides, commonly known as Riverhead speedwell, is a threatened flowering plant in the family Plantaginaceae. It is endemic to New Zealand, where only three plants are known in the wild. All are found within the Ernest Morgan Reserve, a 20 ha forest northwest of Auckland. Its discovery is accredited to a retired plant nursery owner, Geoff Davidson, who organised the land's protection a few decades prior, and found it by chance on a walk in November 2007. V. jovellanoides has a prostrate growth habit, forming large 2 to 3 m (6.6 to 9.8 ft) mats on the ground, and long stems with

Solenostomataceae is a family of liverworts in the order Jungermanniales.

Sibbaldia tridentata is a species in the plant family Rosaceae. Its synonyms include the illegitimate name Sibbaldia retusa and Sibbaldiopsis tridentata. Under the latter name, it has been treated as the only species in the genus Sibbaldiopsis. Its English names include three-toothed cinquefoil, shrubby fivefingers, and wineleaf.

Hypericum sechmenii, or Seçmen's St John's wort, is a rare species of flowering plant of the St John's wort family (Hypericaceae). This plant in Turkey grows in the central Eskişehir Province. It was first described in 2009 by Turkish botanists Atila Ocak and Onur Koyuncu, who named the species in honor of Özcan Seçmen, a fellow botanist. They assigned the species to the genus Hypericum, and Norman Robson later placed H. sechmenii into the section Adenosepalum. Hypericum sechmenii is a perennial herb that usually grows in clusters of stems 3–6 centimeters (1–2 inches) tall and blooms in June

Gomesa hydrophila is a species of orchid found from Brazil to Paraguay. This species is an epiphyte primarily growing in wetlands. Below ground, this orchid has pseudobulbs which store starches used to support growth. Above ground, the plant has strap-like leaves and blooms in late spring or early summer. The blooms are paniculate on stems which have many flowers. The stems may be held up by surrounding vegetation or erect. The species was first formally described in 1877 by Rodrigues in his Genera et species orchidearum novarum. In 2009, Mark Wayne Chase and Norris Hagan Williams transferred