Walter Tennyson Swingle

The Key lime, also known as West Indian lime, Mexican lime, or Egyptian lime (Citrus × aurantiifolia) is a type of lime. While it is treated as a species in botanical classification, it originated as a natural hybrid between Citrus micrantha (a wild papeda) and Citrus medica (citron). The Key lime has thinner rind and is smaller, seedier, more acidic, and more aromatic than the Persian lime (Citrus × latifolia). It is valued for its characteristic flavor. The name comes from its association with the Florida Keys, where it is best known as the flavoring ingredient in Key lime pie. The Key lime

Ailanthus altissima ( ay-LAN-thəss al-TIH-sim-ə), commonly known as tree of heaven or ailanthus tree, is a deciduous tree in the quassia family. It is native to northeast, central China, and Taiwan. Unlike other members of the genus Ailanthus, it is found in temperate climates rather than the tropics. The tree grows rapidly, and is capable of reaching heights of 15 metres (50 ft) in 25 years. While the species rarely lives more than 50 years, some specimens exceed 100 years of age. It is considered a noxious weed and vigorous invasive species, and one of the worst invasive plant species in

Citrus medica var. sarcodactylis, or the fingered citron, is a citron variety whose fruit is segmented into finger-like sections, resembling those seen on representations of the Buddha. It is called Buddha's hand in many languages including English, Chinese, Japanese, Korean, Vietnamese, German and French. Unlike other citrus fruits, it contains no pulp or juice, but has edible rind and pith. The different cultivars and variations of this citron variety form a gradient from "open-hand" types with outward-splayed segments to "closed-hand" types, in which the fingers are kept together. There

Citropsis articulata, known commonly as the African cherry orange, West African cherry orange, Uganda cherry orange, and locally as omuboro, is a species of flowering plant in the citrus family, Rutaceae. It is native to tropical West Africa. The species is usually a shrub, sometimes a tree. The leaves are up to 33 centimeters long and are made up of pointed leaflets. The inflorescence is a cluster of flowers with four white petals each nearly 2 centimeters long. The style may be 1.5 centimeters long. The fruit is 2 or 3 centimeters long. In Uganda, an infusion made of the ground root of

Pleiospermium is a genus of plants in the family Rutaceae.

Citropsis is a genus of flowering plants in the citrus family, Rutaceae. They are known generally as African cherry oranges. They are native to Africa. This genus is in the subfamily Aurantioideae, which also includes genus Citrus. It is in the tribe Citreae and subtribe Citrinae, which are known technically as the citrus fruit trees. Citropsis and the genus Atalantia are also called near-citrus fruit trees. The genus Citropsis is thought to be an ancestral group of genus Citrus. Fruit-bearing intergeneric hybrids have been established between Citropsis gabunensis and Citrus wakonai. Demand

Aeglopsis is a genus of flowering plants belonging to the family Rutaceae. Its native range is Tropical Africa. Species: Aeglopsis beguei A.Chev. Aeglopsis chevalieri Swingle Aeglopsis eggelingii M.Taylor Aeglopsis mangenotii A.Chev.

Feroniella is a genus in the family Rutaceae, the only species being Feroniella lucida. The genus is placed within Citrus by some sources, with the species becoming Citrus lucida. Feroniella lucida is a fruit-bearing tree native to Cambodia, Laos, Thailand, Vietnam and the island of Java, Indonesia.

Merope angulata is a species of flowering plant in the family Rutaceae. It is a tree that ranges from northeastern India through Bangladesh, Myanmar, the Andaman and Nicobar islands, Peninsular Malaysia, Borneo, Java, Sulawesi, the Philippines, and Maluku Islands to New Guinea. It is the sole species in genus Merope. It is an erect shrub growing up to 3 meters tall, with sparse stems growing from a root crown. Stout spines 1.5 – 3.5 cm long grow on the axils of juvenile stems. Leaves are oval, alternate, thick, and leathery, measuring 4.5 – 16 by 2 – 7 cm. The leaves are oval with blunt or

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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.

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Burkillanthus is a monotypic genus of flowering plants in the citrus family, Rutaceae, containing the single species Burkillanthus malaccensis. It is native to Sumatra, the Malay Peninsula and Borneo. Its common name is Malay ghostlime. This species is part of the same subfamily (Aurantioideae), tribe (Citreae), and subtribe (Citrinae), as genus Citrus, and as such, it is known technically as a citrus fruit tree. It grows on river banks and on ridges in primary and secondary forests.

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Clymenia is a small genus of flowering plants in the family Rutaceae with two species. The genus is often included in Citrus.

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Triphasia brassii is a rare species of Triphasia in the family Rutaceae, native to New Guinea. All known specimens are from one general area. Triphasias are very close relatives of citrus.

Pleiospermium longisepalum (also known as the Banguey Island orangeaster) is a species of plant in the family Rutaceae. It is endemic to the state of Sabah on the island of Borneo. Pleiospermium longisepalum is a shrub or small tree, growing up to 15 metres tall. Pleiospermium longisepalum is common in lowland and foothill forests and lower montane forests of Kota Marudu, Ranau, and Tambunan districts, growing up to 1,300 metres elevation. It is also found on some offshore islands like Banggi and Bohayan. It is typically found on hill slopes and near streams in primary and secondary rain

Pleiospermium latialatum is a plant in the family Rutaceae. It is native to Borneo.

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Merrillia is a monotypic genus of flowering plants in the citrus family, Rutaceae, containing the single species Merrillia caloxylon. Its English language common names include flowering merrillia, katinga, and Malay lemon. In Malaysia it is called ketenggah and kemuning gajah. The species is native to Malaysia, Thailand, and Sumatra in Indonesia. This species is a member of the Rutaceae subfamily Aurantioideae, which includes the genus Citrus. It has been placed as the only genus and species in the subtribe Merrilliinae, which are known technically as the large-fruited remote citroid fruit

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Pamburus is a genus of flowering plants belonging to the family Rutaceae. Its native range is India and Sri Lanka.

Feroniella is a genus in the family Rutaceae, the only species being Feroniella lucida. The genus is placed within Citrus by some sources, with the species becoming Citrus lucida. Feroniella lucida is a fruit-bearing tree native to Cambodia, Laos, Thailand, Vietnam and the island of Java, Indonesia.