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Lonicera caerulea, the honeyberry, haskap berry, blue-berried honeysuckle,[2] or sweetberry honeysuckle,[3] is a honeysuckle native throughout the cool temperate Northern Hemisphere. Haskap berries are available in the countries such as North America, Canada, Japan, Russia, Poland etc. It is a deciduous shrub growing to 1.5–2 m tall. The leaves are opposite, oval, 3–8 cm long and 1–3 cm broad, greyish green, with a slightly waxy texture. The flowers are yellowish-white, 12–16 mm long, with five equal lobes; they are produced in pairs on the shoots. The fruit is an edible, blue berry, somewhat rectangular in shape weighing 1.3 to 2.2 grams, and about 1 cm in diameter.[4]

Contents

1 Classification

1.1 Varieties 1.2 Common names

2 Distribution and habitat 3 Cultivation

3.1 Disease

4 Harvest and uses 5 Phytochemicals 6 Traditional medicine 7 References 8 External links

Classification[edit] The classification within the species is not settled. One classification uses nine varieties:[5]

Lonicera caerulea
Lonicera caerulea
var. altaica. Northern Asia. Lonicera caerulea
Lonicera caerulea
var. caerulea. Europe. Lonicera caerulea
Lonicera caerulea
var. cauriana. Western North America. Lonicera caerulea
Lonicera caerulea
var. dependens. Central Asia. Lonicera caerulea
Lonicera caerulea
var. edulis, synonym: L. edulis. Eastern Asia. Lonicera caerulea
Lonicera caerulea
var. emphyllocalyx (also known as haskap). Eastern Asia. Lonicera caerulea
Lonicera caerulea
var. kamschatica. Northeastern Asia. Lonicera caerulea
Lonicera caerulea
var. pallasii. Northern Asia, northeastern Europe. Lonicera caerulea
Lonicera caerulea
var. villosa. Eastern North America.

Varieties[edit]

Tundra Borealis Indigo Treat Indigo Gem Indigo Yum Honeybee Aurora Wojtek Atlaj Nimfa Berry Blue Polar Jewel

According to research at the University of Saskatchewan, each variety can be distinguished by the size of berries, taste, and bush dimensions.[4] Common names[edit]

Haskap berry diversity

Lonicera caerulea
Lonicera caerulea
is known by several common names:[6]

Haskap: an ancient Japanese name of the Ainu people
Ainu people
(also spelled phonetically as haskappu, hascap, hascup); used today in Japan and North America Blue honeysuckle: descriptive translation from Russian origin Honeyberry: common in North America Swamp fly honeysuckle: coined by botanists who found it growing wild in swampy areas of Canada

Distribution and habitat[edit] The species is circumpolar, primarily found in or near wetlands of boreal forests in heavy peat soils.[7] However, it also can be found in high-calcium soils, in mountains, and along the coasts of northeastern Asia and northwestern North America. The plant is winter-hardy and can tolerate temperatures below minus 47 degrees Celsius.[6] Cultivation[edit]

Haskap products on retail display in a Japanese market

Haskap berries and leaves

Haskap variety edulis has been used frequently in breeding efforts, but other varieties have been bred with it to increase productivity and flavor. In several haskap breeding programs, the variety emphyllocalyx has been the dominant one used.[6] Plants of many haskap cultivars grow to be 1.5 to 2 meters tall and wide, can survive a large range of soil acidity, from 3.9-7.7 (optimum 5.5-6.5), requiring high organic matter, well drained soils, and plentiful sunlight for optimum productivity. Lonicera caerulea
Lonicera caerulea
plants are more tolerant of wet conditions than most fruit species.[6][8] Each berry has approximately 20 seeds that resemble tomato seeds based on their size and shape, but the seeds are not noticeable during chewing.[9] Disease[edit] Powdery mildew
Powdery mildew
is one disease documented to affect Lonicera caerulea, usually after fruit maturity in mid– to late summer.[6] When the plant is affected, it is common for the leaves to turn white with brown patches eventually developing.[6] Harvest and uses[edit] Honeysuckle
Honeysuckle
is harvested in late spring or early summer two weeks before strawberries for Russian type varieties, with Japanese types ripening at a similar time to strawberries.[6] The berries are ready to harvest when the inner layer is dark purple or blue. The outer layer is dark blue and looks ripened, but the inner layer may be green with a sour flavor.[6][7] Two compatible varieties are needed for cross pollination and fruit set. In North America, most Russian varieties are adapted to hardiness zones 1 to 4. The plants may take three or four years to produce an abundant harvest.[6] Average production on a good bush is about 3 kilograms (6.6 lb) and can maintain productivity for 30 years.[6] Honeysuckle
Honeysuckle
can be used in various processed products, such as pastries, jams, juice, ice cream, yogurt, sauces, candies and a wine similar in color and flavor to red grape or cherry wine.[6][7][10] Phytochemicals[edit] As a blue pigmented fruit, Lonicera caerulea
Lonicera caerulea
contains polyphenol compounds, including cyanidin 3-glucoside, cyanidin 3-rutinoside, and peonidin 3-glucoside.[11][12][13] Other phytochemicals present are proanthocyanidins and organic acids, including a high content of citric acid.[14] Traditional medicine[edit] Over centuries in East Asian countries, Lonicera caerulea
Lonicera caerulea
has been used for supposed therapeutic applications in traditional medicine.[15] References[edit]

^ The Plant
Plant
List: A Working List of All Plant
Plant
Species; Family Caprifoliaceae, Genus Lonicera by Species, The Plant
Plant
List, Version 1, Royal Botanic Garden-Kew and Missouri Botanical Garden, 2010, retrieved 18 May 2016  ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.  ^ "Lonicera caerulea". Natural Resources Conservation Service
Natural Resources Conservation Service
PLANTS Database. USDA. Retrieved 6 January 2016.  ^ a b University of Saskatchewan
University of Saskatchewan
(2007). "Haskap: University of Saskatchewan Fruit
Fruit
Program". Retrieved 25 November 2016.  ^ USDA GRIN Taxonomy, retrieved 18 May 2016  ^ a b c d e f g h i j k Bob Bors. "Growing Haskap in Canada" (PDF). University of Saskatchewan, Department of Plant
Plant
Sciences.  ^ a b c "Honeyberry". London, UK: The Royal Horticultural Society. 2016.  ^ Janick, J.; Paull, R.E. (2008). The Encyclopedia of Fruit
Fruit
& Nuts. CABI. p. 232. ISBN 9780851996387.  ^ Utioh, A., Nivet, M., Gopal,R., Alejo, D., Ghosh, P., Appah, P. (2011). "Fractionation and processing of small fruits for applications in functional foods and nutraceuticals Program" (PDF). Retrieved 28 November 2016. CS1 maint: Multiple names: authors list (link) ^ Reimer, Peter (2007). "Haskap wines at the University of Saskatchewan fruit program" (PDF). Retrieved 9 August 2016.  ^ Celli, G. B.; Khattab, R; Ghanem, A; Brooks, M. S. (2016). "Refractance Window™ drying of haskap berry--preliminary results on anthocyanin retention and physicochemical properties". Food Chemistry. 194: 218–21. doi:10.1016/j.foodchem.2015.08.012. PMID 26471547.  ^ Zenovia O, Lacramioara O, Elena T, Maria-Magdalena Z (2013). "Variability of anthocyanin content and dry matter amount in fruits of some lonicera caerulea selections depending on storage conditions". Analele Ştiinţifice Ale Universităţii Alexandru Ioan Cuza Din Iași, Sectiunea II A : Genetica Si Biologie Moleculara. 14 (4): 7–12. CS1 maint: Uses authors parameter (link) ^ Caprioli, G; Iannarelli, R; Innocenti, M; Bellumori, M; Fiorini, D; Sagratini, G; Vittori, S; Buccioni, M; Santinelli, C; Bramucci, M; Quassinti, L; Lupidi, G; Vitali, L.A.; Petrelli, D; Beghelli, D; Cavallucci, C; Bistoni, O; Trivisonno, A; Maggi, F (2016). "Blue honeysuckle fruit ( Lonicera caerulea
Lonicera caerulea
L.) from eastern Russia: Phenolic composition, nutritional value and biological activities of its polar extracts". Food Funct. 7 (4): 1892–903. doi:10.1039/c6fo00203j. PMID 27040352.  ^ Rupasinghe, H. P.; Boehm, M. M.; Sekhon-Loodu, S; Parmar, I; Bors, B; Jamieson, A. R. (2015). "Anti-Inflammatory Activity of Haskap Cultivars is Polyphenols-Dependent". Biomolecules. 5 (2): 1079–98. doi:10.3390/biom5021079. PMC 4496711 . PMID 26043379.  ^ Kaczmarska E, Gawronski J, Dyduch-Sieminska M, Najda A, Marecki W, Zebrowska J (2015). "Genetic diversity and chemical characterization of selected Polish and Russian cultivars and clones of blue honeysuckle (Lonicera caerulea)" (PDF). Turkish Journal of Agriculture and Forestry. 39: 394–402. doi:10.3906/tar-1404-149. 

External links[edit]

Haskap articles, University of Saskatchewan
University of Saskatchewan
Fruit
Fruit
Program

Wikimedia Commons has media related to Lonicera caerulea.

Taxon identifiers

Wd: Q157699 EoL: 486991 EPPO: LONCO FoC: 200022288 GBIF: 5334269 GRIN: 22559 iNaturalist: 164761 IPNI: 148657-1 ITIS: 503543 IUCN: 18775218 NCBI: 134520 Plant
Plant
List: kew-2339990 PLANTS: LOCA6 Tropicos: 60

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