Barberry

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"Calafate" redirects here. For the Patagonian town, see El Calafate.
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Berberis
Berberis darwinii shoot with flowers
Berberis thunbergii shoot with fruit
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Berberidaceae
Genus: Berberis
L.
Type species
Berberis vulgaris
Species

List of Berberis and Mahonia species

Berberis (/ˈbɜːrbərɪs/), commonly known as barberry,[1][2] is a large genus of deciduous and evergreen shrubs from 1–5 m (3.3–16.4 ft) tall, found throughout temperate and subtropical regions of the world (apart from Australia). Species diversity is greatest in South America and Asia; Europe, Africa and North America have native species as well. The best-known Berberis species is the European barberry, Berberis vulgaris, which is common in Europe, North Africa, the Middle East, and central Asia, and has been widely introduced in North America. Many of the species have spines on the shoots and all along the margins of the leaves.[3][4]

Description

The genus Berberis has dimorphic shoots: long shoots which form the structure of the plant, and short shoots only 1–2 mm (0.039–0.079 in) long. The leaves on long shoots are non-photosynthetic, developed into one to three or more spines[5]: 96  3–30 mm (0.12–1.18 in) long. The bud in the axil of each thorn-leaf then develops a short shoot with several normal, photosynthetic leaves. These leaves are 1–10 cm (0.39–3.94 in) long, simple, and either entire, or with spiny margins. Only on young seedlings do leaves develop on the long shoots, with the adult foliage style developing after the young plant is 1–2 years old.[citation needed]

Many deciduous species, such as Berberis thunbergii and B. vulgaris, are noted for their attractive pink or red autumn colour. In some evergreen species from China, such as B. candidula and B. verruculosa, the undersides of the leaves are brilliant white, a feature valued horticulturally. Some horticultural variants of B. thunbergii have dark red to violet foliage. Such as B. thunbergii f. atropurpurea 'Admiration',[6] and B. thunbergii f. atropurpurea 'Atropurpurea Nana'.[7]

The flowers are produced singly or in racemes of up to 20 on a single flower-head. They are yellow or orange, 3–6 mm (0.12–0.24 in) long, sepals are usually six, rarely three or nine and there are six petals in alternating whorls of three, the sepals usually coloured like the petals. The fruit is a small berry 5–15 mm (0.20–0.59 in) long, ripening red or dark blue, often with a pink or violet waxy surface bloom; in some species, they may be long and narrow, but are spherical in other species.[citation needed]

Some authors regard the compound-leaved species as belonging to a different genus, Mahonia. There are no consistent differences between the two groups other than the leaf pinnation (Berberis sensu stricto appear to have simple leaves, but these are in reality compound with a single leaflet; they are termed "unifoliolate"[8]), and many botanists prefer to classify all these plants in the single genus Berberis.[3][9][10][11] However, a recent DNA-based phylogenetic study retains the two separate genera, by clarifying that unifoliolate-leaved Berberis s.s. is derived from within a paraphyletic group of shrubs bearing imparipinnate evergreen leaves, which the paper then divides into three genera: Mahonia, Alloberberis (formerly Mahonia section Horridae), and Moranothamnus (formerly Berberis claireae); it confirms that a broadly-circumscribed Berberis (that is, including Mahonia, Alloberberis, and Moranothamnus) is monophyletic.[12]

Several species of Berberis are cultivated in Iran for culinary purposes

Ecology

Berberis species are used as food plants by the larvae of some Lepidoptera species, including the moths barberry carpet moth (Pareulype berberata), and mottled pug (Eupithecia exiguata).[citation needed]

Berberis species can infect wheat with stem rust, a serious fungal disease of wheat and related grains.[13] Berberis vulgaris (European barberry) and Berberis canadensis (American barberry) serve as alternate host species of the rust fungus responsible, the fungus (Puccinia graminis). For this reason, cultivation of B. vulgaris is prohibited in many areas, and imports to the United States are forbidden. The North American B. canadensis, native to Appalachia and the Midwest United States, was nearly eradicated for this reason, and is now rarely seen extant, with the most remaining occurrences in the Virginia mountains.[citation needed]

Some Berberis species have become invasive when planted outside of their native ranges, including B. glaucocarpa and B. darwinii in New Zealand (where it is now banned from sale and propagation), and B. vulgaris and green-leaved B. thunbergii in much of the eastern United States.[citation needed]

Japanese barberry is considered an invasive plant in 32 US states. It is deer-resistant because of its taste and is favoured as a shelter for ticks capable of transmitting lyme disease.[14]

Cultivation

Several species of Berberis are popular garden shrubs, grown for such features as ornamental leaves, yellow flowers, or red or blue-black berries. Numerous cultivars and hybrids have been selected for garden use. Low-growing Berberis plants are also commonly planted as pedestrian barriers. Taller-growing species are valued for crime prevention; being dense and viciously spiny, they are effective barriers to burglars. Thus they are often planted below vulnerable windows, and used as hedges. Many species are resistant to predation by deer.

Species in cultivation include:

The following hybrid selections have gained the Royal Horticultural Society's Award of Garden Merit:

  • B. 'Georgei'[15]
  • B. × lologensis 'Apricot Queen'[16]
  • B. × media 'Red Jewel'[17]
  • B. × stenophylla 'Corallina Compacta'[18]
  • B. × stenophylla (golden barberry)[19]

Culinary uses

Crispy Brussels sprouts with barberries on top

Berberis vulgaris grows in the wild in much of Europe and West Asia. It produces large crops of edible berries, rich in vitamin C, but with a sharp acid flavour. In Europe for many centuries the berries were used for culinary purposes much as citrus peel is used. Today in Europe they are very infrequently used. The country in which they are used the most is Iran, where they are referred to as zereshk (زرشک) in Persian. The berries are common in Persian cuisine in dishes such as pilaf (zereshk polo) and as a flavouring for poultry. Because of their sour flavour, they are sometimes cooked with sugar before being added to Persian rice. Iranian markets sell dried zereshk. In Russia and Eastern Europe, it is sometimes used in jams as a source of pectin (especially with mixed berries). An extract of barberries is a common flavouring for soft drinks, candies, and sweets.[citation needed]

Berberis microphylla and B. darwinii (both known as calafate and michay) are two species found in Patagonia in Argentina and Chile. Their edible purple fruit are used for jams and infusions.[citation needed]

Traditional medicine

The dried fruit of Berberis vulgaris is used in herbal medicine.[20] The chemical constituents include isoquinolone alkaloids, especially berberine. A full list of phytochemicals was compiled and published in 2014.[21] The safety of using berberine for any condition is not adequately defined by high-quality clinical research.[22] Its potential for causing adverse effects is high, including untoward interactions with prescription drugs, reducing the intended effect of established therapies.[22] It is particularly unsafe for use in children.[22]

Other uses

Historically, yellow dye was extracted from the stem, root, and bark.[23]

The thorns of the barberry shrub have been used to clean ancient gold coins, as they are soft enough that they will not damage the surface but will remove corrosion and debris.[24]

The acidic young leaves are sometimes chewed for refreshment by parched hikers.[25]

References

  1. ^ English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 371. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 26 January 2017 – via Korea Forest Service.
  2. ^ Wedgwood, Hensleigh (1855). "On False Etymologies". Transactions of the Philological Society (6): 66.
  3. ^ a b "Berberis fremontii in Flora of North America @ efloras.org". www.efloras.org.
  4. ^ Flora of China Vol. 19 Page 715 小檗属 xiao bo shu Berberis Linnaeus, Sp. Pl. 1: 330. 1753.
  5. ^ Stace, C. A. (2010). New Flora of the British Isles (Third ed.). Cambridge, U.K.: Cambridge University Press. ISBN 9780521707725.
  6. ^ "RHS Plantfinder – Berberis thunbergii f. atropurpurea 'Admiration'". Royal Horticultural Society. Retrieved 21 January 2018.
  7. ^ "RHS Plantfinder – Berberis thunbergii f. atropurpurea 'Atropurpurea Nana'". Royal Horticultural Society. Retrieved 21 January 2018.
  8. ^ Pabón-Mora, Natalia; González, Favio (2012). "Leaf development, metamorphic heteroblasty and heterophylly in Berberis s. l. (Berberidaceae)". The Botanical Review. 78 (4): 463–489. Bibcode:2012BotRv..78..463P. doi:10.1007/s12229-012-9107-2. S2CID 15401971.
  9. ^ Loconte, H., & J. R. Estes. 1989. Phylogenetic systematics of Berberidaceae and Ranunculales (Magnoliidae). Systematic Botany 14:565-579.
  10. ^ Marroquín, Jorge S., & Joseph E. Laferrière. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Journal of the Arizona-Nevada Academy of Science 30(1):53-55.
  11. ^ Laferrière, Joseph E. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Botanicheskii Zhurnal 82(9):96-99.
  12. ^ Yu, Chih-Chieh; Chung, Kuo-Fang (2017). "Why Mahonia? Molecular recircumscription of Berberis s.l., with the description of two new genera, Alloberberis and Moranothamnus". Taxon. 66 (6): 1371–1392. doi:10.12705/666.6.
  13. ^ "Biologists Spot First UK Case Of An Ancient Crop Disease In Six Decades". 15 February 2018.
  14. ^ "You're less likely to get a tick bite if you steer clear of these spots". 11 May 2018.
  15. ^ "RHS Plant Selector Berberis 'Georgei' AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 2020-04-17.
  16. ^ "RHS Plant Selector Berberis × lologensis 'Apricot Queen' AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 2020-04-17.
  17. ^ "RHS Plant Selector Berberis × media 'Red Jewel' AGM / RHS Gardening". Apps.rhs.org.uk. Archived from the original on December 24, 2012. Retrieved 2013-04-07.
  18. ^ "RHS Plant Selector Berberis × stenophylla 'Corallina Compacta' AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 2020-04-17.
  19. ^ "RHS Plant Selector Berberis × stenophylla Lindl. AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 2020-04-17.
  20. ^ See e.g. "Barberry" @ Alternative Medicine @ University of Maryland Medical Center
  21. ^ Mokhber-Dezfuli N, Saeidnia S, Gohari AR, Kurepaz-Mahmoodabadi M. Phytochemistry and pharmacology of berberis species. Pharmacogn Rev. 2014;8(15):8–15. doi:10.4103/0973-7847.125517
  22. ^ a b c "Berberine". Natural Medicines Comprehensive Database Consumer Version. MedlinePlus, National Library of Medicine, US National Institutes of Health. 22 February 2024. Retrieved 31 July 2024.
  23. ^ Tomlinson, C. (1866). "Berberis". Tomlinson's Cyclopaedia of Useful Arts. Vol. I. London: Virtue & Co. p. 97.
  24. ^ Weiss, Daniel (July–August 2017). "From the Trenches". Archaeology. 70 (4): 9–22. JSTOR 26348971.
  25. ^ Angier, Bradford (1974). Field Guide to Edible Wild Plants. Harrisburg, PA: Stackpole Books. p. 28. ISBN 0-8117-0616-8. OCLC 799792.
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Wikisource has the text of the 1911 Encyclopædia Britannica article "Barberry".

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