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Feijoa sellowiana
Species of plant in the myrtle family From Wikipedia, the free encyclopedia
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Feijoa sellowiana (or pineapple guava),[2][3] also known as Acca sellowiana (O.Berg) Burret,[4] is a species of flowering plant in the myrtle family, Myrtaceae. It is native mainly to the highlands of Colombia, southern Brazil and the hills of northeast Uruguay, but it can also be found in eastern Paraguay and northern Argentina.[5][6]: 114 It is known as quirina (lusified from kanê kriyne[a] by the indigenous Kaingang of southern Brazil)[6]: 111 or as feijoa (fay-ow-uh [b]).[10]
It is an evergreen shrub or small tree, 1–7 metres (3.3–23.0 ft) in height.[11] The oblong leaves are about 5 cm (2.0 in) long, dark green on the upper side and white underneath. The flowers have five whitish petals which are puffy, possibly filled with some gas. There are about 25 dark red stamens projecting from the centre.[12]
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Taxonomy
Feijoa sellowiana was formerly widely treated in the genus Acca, as Acca sellowiana (O.Berg) Burret, but genetic research showed that the type species of Acca (Acca lanuginosa) is more closely related to the genus Myrrhinium than it is to "A. sellowiana", thus leaving Acca polyphyletic with respect to Myrrhinium if "A. sellowiana" is included.[13] Separated into Feijoa, it is the only species in this genus.[2]
Etymology
Feijoa sellowiana is from the genus which the German botanist, Ernst Berger, named after João da Silva Feijó, a Portuguese naturalist, and the specific name honours Friedrich Sellow, a German who first collected specimens of Feijoa in southern Brazil.[10]
Other common English names in various countries include pineapple guava, fig guava and guavasteen, although it is not a true guava.[10]
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Fruit
The fruit matures in autumn and the skin is green. Its shape is roughly that of a prolate spheroid, and it is about the size of a chicken egg. It is sweet, slightly tart, with an aromatic bouquet reminiscent of other tropical fruit such as passion fruit, cherry guava, or pineapple. The flesh is juicy and is divided into a clear, gelatinous seed pulp and a firmer, slightly granular, opaque flesh nearer the skin.[10] The fruit falls to the ground when ripe and at its fullest flavour, but it may be picked from the tree prior to falling to prevent bruising.
The fruit pulp resembles the closely related guava, having a gritty texture. The feijoa pulp is used in some natural cosmetic products as an exfoliant. Feijoa fruit has a distinctive, potent smell that resembles that of a fine perfume. The aroma is due to methyl benzoate and related compounds in the fruit.[14]
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Growing conditions
In Brazil, it is naturally found around Araucaria angustifolia forests at altitudes more than 900 metres.[6]: 114 The plant is a warm-temperate, subtropical plant that also will grow in the tropics, but requires at least 50 hours of winter chilling to fruit, and is frost-tolerant. When grown from seed, feijoas are noted for slow growth during their first year or two, and young plants, though cold tolerant, can be sensitive to high wind.
It is commonly grown in gardens of New Zealand.[15] It is widely cultivated as an ornamental tree and for its fruit.[10]
In the Northern Hemisphere, the species has been cultivated in the United Kingdom[16] and as far north as western Scotland, but under such conditions it does not fruit every year, as winter temperatures below approximately −9 °C (16 °F) kill the flower buds. Summer temperatures above 32 °C (90 °F) may also have an adverse effect upon fruit set. Feijoas are somewhat tolerant of drought and salt in soils, though fruit production can be adversely affected. Tolerant to partial shade, regular watering is essential while the fruit is maturing.
Cultivation
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The main cultivation areas are not located in the original region of the feijoa; they are found in New Zealand, the United States (California), and Colombia, among other countries. Some cultivars of F. sellowiana, widely distributed internationally, derive from a small number of introductions of “Uruguayan type” plants. In 1890, Professor Edouard André introduced a specimen or a few specimens of the species from Uruguay to France, which were the origin of the seedlings introduced in California, and later reached New Zealand. Subsequently, Colombia introduced materials from various parts of the world.[17]
Some grafted cultivars of feijoa are self-fertile. Most are not and require a pollinator. Seedlings may or may not be of usable quality; and may or may not be self-fertile. Feijoas will mature into a sprawly shrub but can be kept successfully as a large container plant, though accommodations will need to be made for the width of the plants, and the need to encourage new growth for fruit production.
Feijoas are occasionally found as landscape plants in Texas, Florida, California, and the maritime Pacific Northwest. They can succeed in greenhouses in temperate parts of the United States; and have been grown in-ground as fruiting trees on the United States east coast in coastal Georgia and South Carolina as well as in California. Other regions of the United States such as the southernmost Appalachian Mountains, and the immediate coastal region from North Carolina to Delaware would warrant further investigation.


The fruit has been widely grown in New Zealand since the 1920s, and it has become a popular garden tree.[15] It is commonly available in season from March to June.[18][19] In New Zealand, the pollinators of this plant are bees, bumblebees, and medium-sized birds. The silvereye is a pollinator in the cooler parts of the South Island; the blackbird and the Indian myna, which feeds on the sweet, fleshy flower petals, are pollinators further north. In some areas where the species has been introduced, however, the trees have been unproductive due to lack of pollinators. The shrub has very few insect pests, although guava moth is a problem in Northland, New Zealand.[20]
In the South Caucasus, feijoa has been cultivated in the southern coastal region of Azerbaijan since 1928; cultivation in neighboring Georgia has gradually increased to about 988 hectares (2,440 acres) in 1986.[21]
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Sale and shipping
Ripe fruit is prone to bruising; difficulty maintaining the fruit in good condition for any length of time, along with the short period of optimum ripeness and full flavour, probably explains why feijoas are not exported frequently, and are typically sold close to where they are grown. However, intercontinental shipping of feijoa by sea or air has been successful.[10]
Because of the relatively short shelf life, storekeepers need to be careful to replace older fruit regularly to ensure high quality. In some countries, they also may be purchased at roadside stalls, often at a lower price.
Feijoas may be cool-stored for approximately a month and still have a few days of shelf life at optimum eating maturity.[10] They also may be frozen for up to one year without a loss in quality.
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Consumption
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Nutrition
Raw feijoa is 83% water, 13% carbohydrates, and 1% each of fat and protein (table). In a reference amount of 100 grams (3.5 oz), raw feijoa provides 55 calories and is a rich source of vitamin C, providing 40% of the Daily Value, but supplies no other micronutrients in significant amount.
Food uses
Although the skin is edible, the fruit usually is eaten by cutting it in half, then scooping out the pulp with a spoon. The fruit has a juicy, sweet seed pulp and slightly gritty flesh nearer the skin.[citation needed] The flower petals are edible.[10] The most common uses are eating raw, desserts such as sorbet, sweet pies, crumbles, or in salads. They are regularly consumed by birds.[24][25][26]
- The crisp, spicy-sweet tasting petals of feijoa flowers are edible.
- Spread made of mashed raw feijoa
- A display of feijoas for sale in Auckland, New Zealand
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Varieties
Numerous cultivars of feijoa have been developed. These include:[citation needed]
- Anatoki
- Apollo
- Bambina
- Barton
- Den's Choice
- Choiceana
- Tibasosa (grown in the "Feijoa's capital of Colombia", Tibasosa)
- Coolidge
- Edenvale Improved Coolidge
- Edenvale Late
- Edenvale Supreme
- Gemini
- Kaiteri
- Kakariki (a cultivar developed by Waimea Nurseries, New Zealand, large flavour-filled fruit, named from the Māori word for green)
- Mammoth – named for its relatively massive fruit
- Moore
- Nazemetz
- Opal Star
- Pineapple Gem
- Smilax – mid-sized, spherical fruit with smooth texture
- Trask
- Triumph
- Unique (NZ cultivar, particularly tolerant of clay soils, and self pollinating)
- Vista Long – noted for the long shape of its fruit, developed in Vista, CA
- Wiki Tu
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Notes
References
External links
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