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Heracleum sphondylium

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Title: Heracleum sphondylium  
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Subject: Borscht, Heracleum (plant), Heracleum mantegazzianum, POTD/2015-10-07, Arge pagana
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Heracleum sphondylium

Heracleum sphondylium
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Apiales
Family: Apiaceae
Genus: Heracleum
Species: H. sphondylium
Binomial name
Heracleum sphondylium
  • Heracleum alpinum subsp. benearnense Rouy & E.G.Camus
  • Heracleum alpinum subsp. pyrenaicum (Lam.) Rouy & E.G. Camus
  • Heracleum alpinum var. pyrenaicum (Lam.) Pers.
  • Heracleum austriacum var. elegans Crantz
  • Heracleum ceretanum Sennen
  • Heracleum granatense Boiss.
  • Heracleum longifolium Jacq.
  • Heracleum montanum Schleich. ex Gaudin
  • Heracleum panaces sensu Lange
  • Heracleum pyrenaicum Lam.
  • Heracleum setosum var. granatense (Boiss.) Rouy & E.G. Camus
  • Heracleum setosum Lapeyr.
  • Heracleum sibiricum subsp. longifolium (Jacq.) Arcang.

Heracleum sphondylium, common names hogweed, common hogweed or cow parsnip, is a herbaceous perennial or biennial plant plant, in the umbelliferous family Apiaceae that includes fennel, cow parsley, ground elder and giant hogweed. It is native to Europe and Asia. The common name eltrot may also be applied, but is not specific to this species.[1] Umbelliferous plants are so named because of the umbrella-like arrangement of flowers they produce. The North American species Heracleum maximum (also called cow parsnip) is sometimes included as a subspecies of H. sphondylium.


  • Etymology 1
  • Description 2
  • Distribution 3
  • Habitat 4
  • Similar species 5
  • Subspecies 6
  • References 7
  • External links 8


The genus name Heracleum derives from the Greek "herákleion" and refers to the mythologic hero Heracles, while the species name sphondylium, meaning "vertebrate", refers to the shape of the segmented stem.


Close-up on flowers of Heracleum sphondylium
Heracleum sphondylium

reaches on average 50–120 centimetres (20–47 in) of height, with a maximum of 2 metres (6 ft 7 in). From large reddish rhizomatous roots rises a striated, hollow stem with bristly hairs. The leaves can reach 50 centimetres (20 in) of length. They are pinnate, hairy and serrated, divided into 3-5 lobed segments.

This plant has pinkish or white flowers with 5 petals. They are arranged in large umbels of up to 20 cm of diameter with 15 to 30 rays. The peripheral flowers have a radial symmetry. Flowering typically occurs between June and October. The flowers are pollinated by insects, such as beetles, wasps and especially flies.[2] The small fruits are flattened and winged, elliptical to rounded and glabrous, up to 1 cm long. The seed dispersal is by wind (anemochory).

The characteristic pig-like smell of the inflorescence gives it its name.

Heracleum sphondylium is smaller in size than the skin irritating Heracleum mantegazzianum (Giant Hogweed). There is some apocryphal evidence that the sap from Common Hogsweed can also produce burns and rashes. Care needs to be used when cutting or strimming it.

The small picture-winged fly Euleia heraclei is as its name suggests found on Hogweed.[3]


These plants have a Eurasian distribution, growing all over Europe (except Iceland), and North Africa.


The plant is common in herbaceous places, along roads, in hedges, meadows and woods,[4] especially in mountain areas up to 8,000 ft (2500 m) of altitude. It prefers moist, nitrogen-rich soils.

Similar species

The water parsnip (swamp parsnip, Sium suave), western water hemlock (Cicuta douglasii, poison hemlock) and spotted water hemlock (Cicuta maculata, spotted parsley, spotted cowbane) all have white flowers in large compound umbels, which can lead to misidentification. All water hemlock and poison hemlock are highly poisonous,[5] but water parsnip is not.[6] Both have clusters of small white flowers shaped like umbrellas, and have the same habitat near the shore line of lakes and rivers. Water parsnip has leaves only once compound, and water hemlock has leaves which are three times compound. Water hemlock has a large swelling at the stem base, and has bracts at the base of each small flower cluster, not at the base of the main flower head.[7] The Water parsnip has small bracts at the base of flowers and main flower head as well.[8] Yarrow from the Asteraceae family (Achillea millefolium) also has many small white flowers in a cluster. However the yarrow has feathery looking leaves which are pinnately separated into small narrow segments.[9] The cow parsnips (Heracleum lanatum, Heracleum maximum) are also confused in this group with similar flower groupings. However, the cow parsnips have large, broad leaves, and an unpleasant odour.[10]


This species presents a large variability of the characteristics and the occurrence of many intermediate forms. In Europe there are eight named subspecies.

  • Heracleum sphondylium subsp. chloranthum (Borbás) Neumayer
  • Heracleum sphondylium subsp. elegans (Crantz) Schübl. & G. Martens
  • Heracleum sphondylium subsp. glabrum (Huth) Holub
  • Heracleum sphondylium subsp. orsinii (Guss.) H. Neumayer
  • Heracleum sphondylium subsp. pyrenaicum (Lam.) Bonnier & Layens
  • Heracleum sphondylium subsp. sibiricum (L.) Simonk.
  • Heracleum sphondylium subsp. sphondylium
  • Heracleum sphondylium subsp. trachycarpum (Soják) Holub


  1. ^ "Heracleum sphondylium".  
  2. ^ Van Der Kooi, C. J.; Pen, I.; Staal, M.; Stavenga, D. G.; Elzenga, J. T. M. (2015). "Competition for pollinators and intra-communal spectral dissimilarity of flowers" (PDF). Plant Biology.  
  3. ^ Euleia heraclei Retrieved 18 May 2012
  4. ^ Parnell, J. and Curtis, Y. 2012. Webb's An Irish Flora. Cork University Press. ISBN 978-185918-4783
  5. ^ ."Cicuta maculata". Archived from the original on 2006-09-27. Retrieved 2008-08-03. 
  6. ^ Kuhnlein, Harriet V; Turner, Nancy J. (1991). Traditional Plant Foods of Canadian Indigenous Peoples. Taylor & Francis.  
  7. ^ "Western Water Hemlock – Agriculture – Government of Saskatchewan". Retrieved 2008-08-03. 
  8. ^ "Water Parsnip – Agriculture – Government of Saskatchewan". Retrieved 2008-08-03. 
  9. ^ "Achillea millefolium"Yarrow . Retrieved 2008-08-03. 
  10. ^ "Heracleum lanatum". University of Saskatchewan. Retrieved 2008-08-03. 
  • Pignatti S. - Flora d'Italia – Edagricole – 1982, Vol. II, pag. 237
  • Tutin, T. G. & al. (ed.) (1968). Flora Europaea. (vol.2) Cambridge University Press, Cambridge. [p.365]

External links

  • Biolib
  • Plants.USDA
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