''Heracleum persicum'', commonly known as Persian hogweed or by its native name ''Golpar'' ( fa, گلپر) is a species of hogweed, a

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wid ...

herbaceous plant in the carrot family

Apiaceae Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus '' Apium'' and commonly known as the celery, carrot or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering plan ...

. It grows wild in humid mountainous regions in Iran and some adjacent areas. Having been introduced in the 1830s, it has spread across

Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and Swe ...

. It is now very common in northern

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...

, where one of its names is

Tromsø Tromsø (, , ; se, Romsa ; fkv, Tromssa; sv, Tromsö) is a municipality in Troms og Finnmark county, Norway. The administrative centre of the municipality is the city of Tromsø. Tromsø lies in Northern Norway. The municipality is the ...

palm. The plant has also been spotted in Sweden. In Finland, it has been declared as invasive species. Persian hogweed is a

polycarpic Polycarpic plants are those that flower and set seeds many times before dying. A term of identical meaning is pleonanthic and iteroparous. Polycarpic plants are able to reproduce multiple times due to at least some portion of its meristems being ...

perennial, that is, a mature plant flowers and bears fruit season after season.

Invasiveness status

In Europe, Persian hogweed is included since 2016 in the list of Invasive Alien Species of Union concern (the Union list). This implies that this species cannot be imported, cultivated, transported, commercialized, planted, or intentionally released into the environment in the whole of the European Union.

Uses

Food uses

The seeds are used as a spice in Persian cooking. The very thin, small mericarps (seed-like fruits) are aromatic and slightly bitter. They are usually sold in powdered form and are often erroneously sold as "

angelica ''Angelica'' is a genus of about 60 species of tall biennial and perennial herbs in the family Apiaceae, native to temperate and subarctic regions of the Northern Hemisphere, reaching as far north as Iceland, Lapland, and Greenland. They gr ...

seeds". The powder is sprinkled over

broad bean ''Vicia faba'', commonly known as the broad bean, fava bean, or faba bean, is a species of vetch, a flowering plant in the pea and bean family Fabaceae. It is widely cultivated as a crop for human consumption, and also as a cover crop. Varieti ...

lentil The lentil (''Lens culinaris'' or ''Lens esculenta'') is an edible legume. It is an annual plant known for its lens-shaped seeds. It is about tall, and the seeds grow in pods, usually with two seeds in each. As a food crop, the largest pro ...

s and other legumes, and potatoes. Golpar is also used in soups and stews. It is often used sprinkled over

pomegranate The pomegranate (''Punica granatum'') is a fruit-bearing deciduous shrub in the family Lythraceae, subfamily Punicoideae, that grows between tall. The pomegranate was originally described throughout the Mediterranean Basin, Mediterranean re ...

arils. Golpar is also mixed with vinegar into which broad beans are dipped before eating. Golpar can be used in small amounts (1 or 2 tsp per pound) when cooking beans to reduce the effect of gas in the digestive tract associated with consuming beans. In

Persian cuisine Iranian cuisine () refers to the culinary practices of Iran. Due to the historically common usage of the term "Persia" to refer to Iran in the Western world,Yarshater, EhsaPersia or Iran, Persian or Farsi, ''Iranian Studies'', vol. XXII no. 1 ( ...

, the petals are used in the spice mixture ''

advieh ''Advieh'' ( fa, ادویه) means spice in Persian language and it is a spice mixture used in Iranian cuisine. It is used in rice dishes, as well as in chicken and bean dishes. Although its specific composition varies from the Persian Gulf t ...

'' to flavor rice dishes, as well as in chicken, Fish and bean dishes. The tender leaves and leaf stalks can also be pickled (known as ''golpar torshi'').

Public health and safety

The sap of the Tromsø palm contains

furanocoumarins The furanocoumarins, or furocoumarins, are a class of organic chemical compounds produced by a variety of plants. Most of the plant species found to contain furanocoumarins belong to a handful of plant families. The families Apiaceae and Rutacea ...

, which in combination with

ultraviolet Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays. UV radiation ...

light, leads to

phytophotodermatitis Phytophotodermatitis, also known as berloque dermatitis or margarita photodermatitis, is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent followed by exposure to ultraviolet light (from ...

. There is some anecdotal evidence that ''H. persicum'' may be less dangerous than ''H. mantegazzianum'' with respect to

phototoxicity Phototoxicity, also called photoirritation, is a chemically induced skin irritation, requiring light, that does not involve the immune system. It is a type of photosensitivity. The skin response resembles an exaggerated sunburn. The involved chemi ...

Control measures

Known ways to fight Tromsø palm are the constant cutting of new shoots. When cutting down, protective equipment is recommended, and metal cutting tools should be cleaned after use because the juice is oxidizing.

References

External links

Analysis of the Oil of ''Heracleum persicum'' L. (seeds and stems) ''Heracleum persicum'', ''Heracleum glabrescens''
* {{Taxonbar, from=Q1418112 Edible Apiaceae Medicinal plants of Asia Spices Iranian cuisine Apioideae