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Heracleum sosnowskyi
HeracleumSosnowskyi 001.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Apiales
Family: Apiaceae
Genus: Heracleum
Species: H. sosnowskyi
Binomial name
Heracleum sosnowskyi
Desv. ex Fisch., 1970

Sosnowsky's hogweed (Heracleum sosnowskyi) is a flowering plant in the family Apiaceae, originally native to Caucasus. Now it is a common weed in the Baltic States, Belarus, Russia, Ukraine, and Poland.

The species is named in honor of Russian botanist Dmitry Sosnovsky.[citation needed]

H. sosnowskyi is 3–5 m in height,[1] with a straight, firm stem that can reach a diameter of 12 cm.[1] The leaves are 50–60 cm long. The root is very firm, up to 30 cm diameter. The inflorescence is a big umbel found at the end of every stem. It blooms during July through September and produces thousands of seeds. They are easily distributed by the wind, but especially by the water.

All parts of H. sosnowskyi contain the intense toxic allergen furanocoumarin. It is dangerous for humans because even small drops of plant's juice cause photosensitivity and burns.[2] The plant is less dangerous for animals that have thick hair to protect them from the sun. In Russia, H. sosnowskyi once was used as a silage plant, and sometimes as a shield-hedge along the roads, preventing farm animals from escaping and wild animals from getting in.[1] Flowers are largely visited by flies and beetles; bees do not appear to favor its nectar.[citation needed]

The plant was once common only in the Caucasus area, but due to a decision to use it as a silage plant, it quickly spread in many areas of Russia, Belarus, and Ukraine. This decision was made in 1947, under Stalin's rule, so later, when the species proved to be highly invasive and difficult to remove, people started to call it "Stalin's revenge".[3] It is unclear, however, how widespread this naming was before the media picked it up as a catchy name. This name possibly was coined by the Russian media in the end of the 1990s or the early 2000s, but since then it has become common in the news.[citation needed]

Sosnowsky's hogweed is a highly invasive plant in the Baltic States, Poland, and Belarus.[4] Many river valleys and roadsides are occupied by large stands of this weed. It is difficult to eradicate because the seeds remain viable for many years and the roots are difficult to remove. Herbicides are widely used in a fight against it, but the plant can later resprout from the roots.[5]

The plant also was introduced to Great Britain by Victorian plant hunters as an ornamental garden plant in the 19th century, but then spread rapidly into the wild, where it now proliferates.[6]

Safety instructions[edit]

Damaged hand due to physical contact with the plant

Protective water-resistant clothing and protective glasses or goggles must be worn by the personnel when cutting the plant due to the risk of skin contact with splashes of the toxic sap and sap-coated fragments of the plant.[7] A respirator is also strongly advised.[8]

See also[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Heracleum_sosnowskyi — Please support Wikipedia.
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67 news items


Sat, 23 Apr 2016 04:14:26 -0700

Reikia atsiminti bent kelis pagrindinius invazinius augalus, kurie šiuo metu Lietuvoje yra naikintini: Sosnovskio barštis (Heracleum sosnowskyi), uosialapis klevas (Acer negundo), gausialapis lubinas (Lupinus polyphyllus), raukšlėtalapis erškėtis (Rosa ...
Wed, 27 Apr 2016 07:37:30 -0700

В то время как Россия борется с внешним врагом, её земли захватывает Heracleum sosnowskyi, или борщевик: его заросли занимают до 15% природных ландшафтов европейской части страны. Напомним, что борщевик в Новгородской и ...

Horticulture Week

Horticulture Week
Tue, 01 Dec 2015 05:43:07 -0800

... Carolina water-shield Cabomba caroliniana; Water hyacinth Eichhornia crassipes; Tree groundsel Baccharis halimifolia; Persian hogweed Heracleum persicum; Sosnowskyi's hogweed Heracleum sosnowskyi; Parthenium weed Parthenium hysterophorus ...


Thu, 17 Sep 2015 00:18:45 -0700

Osim veličine, liči na običan svinjski korov (Heracleum sphondylium), Heracleum sosnowskyi ili vrtnoj Anđeliki (Angelica archangelica). Opasni kravlji korov, Foto: Profimedia. Fototoksična je i smatra se štetnim korovom u mnogim državama. Ima lepe bele ...


Tue, 05 Jan 2016 04:02:09 -0800

... Eichhornia crassipes - harilik vesihüatsint; Eriocheir sinensis - hiina villkäppkrabi*; Heracleum persicum - pärsia karuputk*; Heracleum sosnowskyi - sosnovski karuputk*; Herpestes javanicus - täpikmangust; Hydrocotyle ranunculoides - tulik-vesipaunikas ...


Tue, 18 Aug 2015 06:11:43 -0700

Sosnovskio barštis ( lotyniškai – Heracleum sosnowskyi) - viena iš Lietuvoje augančių barščių rūšių, įvežtinis, žmogaus sveikatai pavojingas augalas. „Jo sultyse yra toksinė šviesai ir saulei įjautrinanti medžiaga furanokumarinas. Patekęs ant odos ...


Mon, 22 Jun 2015 02:45:00 -0700

Lekarz widząc obrażenia początkowo podejrzewał jakąś nieznaną chorobę. Okazało się, że to kontakt z Heracleum Sosnowskyi, rośliną zwaną po polsku barszczem Sosnowskiego, wywołuje tak opłakane skutki. Im dłużej obcujemy z jakąkolwiek częścią ...


Wed, 01 Jul 2015 07:27:36 -0700

Wiele roślin z rodziny selerowatych (w tym seler zwyczajny) potrafi wywołać przykre oparzenia na skórze, ale wyjątkowe paskudne są dwa gatunki: barszcz Mantegazziego (Heracleum mantegazzianum) i barszcz Sosnowskiego (Heracleum sosnowskyi).

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