Creeping celery

Creeping celery
Creeping Celery ( Helosciadium repens )
Systematics
Order : Umbelliferae (Apiales) Family : Umbelliferae (Apiaceae) Subfamily : Apioideae Tribe : Oenantheae Genre : Helosciadium Type : Creeping celery
Scientific name
Helosciadium repens
( Jacq. ) Cook

The crawling celery ( Helosciadium repens ), also Crawling sump screen , Creeping sump celery called, is a species of the genus Helosciadium within the family of Umbelliferae (Apiaceae). It forms land and water forms and occurs mainly in Central and Western Europe .

description

Pinnate foliage

Section of a double-lined inflorescence with bracts and celiac bulbs

fruit

Vegetative characteristics

The creeping celery grows as a perennial herbaceous plant that reaches heights of 10 to 30 centimeters. The landform has a prostrate to creeping, round, bare, hollow stalk with no celery smell, which is up to 60 cm long and is rooted at the nodes. The leaves are simply pinnate and have nine to eleven round, obovate, unevenly serrated to lobed leaflets. Compared to the land form, the non-blooming - and therefore purely vegetatively reproducing - water form forms with up to 1.5 meters longer stems and up to 40 cm long leaves. The land form of the creeping celery is easily confused with the narrow-leaved Merk ( Berula erecta ). In the creeping celery, however, the pairs of pinnate leaves are the same size, while in the upright note the lowest pair of pinnate leaves is very small or absent. In the latter case, a transverse groove on the petiole can be seen at the point of attachment. In addition, the upright Merkel does not form the creeping shoot sections that are typical of the creeping celery.

Generative characteristics

The flowering period extends from July to September. The inflorescence stem is long. The double-gold inflorescence has three to seven bracts, is three to seven-pointed and the three to seven umbels have five to eight bracts, without a white skin edge.

The double achane consists of round partial fruits with a length of 0.7 to 1 millimeters and a diameter of up to 1.2 millimeters that have sharp longitudinal ribs.

The number of chromosomes is 2n = 22, less often 16.

Occurrence and ecology

The creeping celery occurs mainly in Central and Western Europe . Its distribution area includes Tenerife, Morocco, Spain, Portugal, France, Italy, Slovenia, Croatia, Montenegro, Greece, Germany, Belgium, the Netherlands, Switzerland, Austria, Hungary, Denmark, Poland, Slovakia and Turkey, maybe Bulgaria. In the Czech Republic the species is a neophyte. In Germany, its main deposits are in the Danube region and in the Alpine foothills . The stocks of this strictly protected plant species are declining in the entire distribution area.

The creeping celery grows on moist to wet surfaces and is dependent on frequent disturbances, which can be caused by wild animals, erosion or fluctuations in water level, due to its high light requirement and at the same time low competitive strength . The habitats include pasture and marsh lawns, silting areas of still waters and, especially in the foothills of the Alps, fast-flowing spring streams. Land and water forms can reproduce vegetatively by forming roots at the lower nodes of the creeping shoots. After being separated from the mother plant, a section of the shoot can develop into an independent plant. Only the landform can flourish depending on the environment and thus reproduce generatively. For the seeds, which can germinate under a wide variety of environmental conditions, there does not appear to be an efficient mechanism of propagation . The associated low ability to spread is rated as a factor for the rare occurrence of creeping celery.

The creeping celery is an agropyro-rumicion-type of association in Central Europe.

Occurrence in a park lawn

Endangerment and species relief measures

The creeping celery is considered endangered worldwide. It was rated in the Red List of Endangered Plant Species in Germany in 1996 as “threatened with extinction” and is “strictly protected” according to the BNatSchG ( Federal Species Protection Ordinance ). It is listed in Annexes II and IV of the Habitats Directive . Therefore it is considered a plant species to be strictly protected, for which specially protected areas are designated. The species relief measures include the preservation of open areas, causing disturbances through footfall, grazing or mowing and the renaturation of flowing waters (removal of bank reinforcements).

Taxonomy

It was first published in 1775 under the name ( Basionym ) Sium repens Jacq. by Nikolaus Joseph von Jacquin in Flora Austriaca , Volume 3, p. 34. The accepted name Helosciadium repens (Jacq.) WDJKoch was published in 1824 by Johann Friedrich Wilhelm Koch in Nova Acta Physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum Exhibentia Ephemerides sive Observationes Historias et Experimenta , Vol. 12, 1, p. 126 published. Other synonyms of Helosciadium repens (Jacq.) WDJKoch are: Apium repens (Jacq.) Lag. , Apium nodiflorum subsp. repens (Jacq.) Thell.

use

This article or the following section is not adequately provided with supporting documents ( e.g. individual evidence ). Information without sufficient evidence could be removed soon. Please help Wikipedia by researching the information and including good evidence.

Despite the endangered natural occurrence, creeping celery from nurseries is available in stores. Like parsley or celery, it can be used for seasoning or as a tea infusion.

swell

• Lars Fröberg: Flora Nordica : Helosciadium - data sheet.
• Species aid program botany information sheet November 2009 PDF at lfu.bayern.de .
• Leaflet on species protection at InfoFlora.ch .

Individual evidence

1. ↑ ^{a b c d e f g} Apium repens (Jacq.) Lag., Creeping Celery. In: FloraWeb.de. but there as Helosciadium repens (Jacq.) WDJ Koch, Kriechender Sumpfschirm. In: FloraWeb.de.
2. ↑ Creeping celery (Helosciadium repens) - data sheet from Thomas Meyer: Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia ).
3. ↑ ^{a b c} Ralf Hand: Helosciadium repens (Jacq.) WDJ Koch. In: The Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Botanic Garden and Botanical Museum Berlin-Dahlem, January 2011, accessed on May 10, 2018 (English). 
4. ^ ^{A b} Lars Fröberg: Flora Nordica : Helosciadium - data sheet.
5. ↑ ^{a b} Information sheet on species protection October 1999, PDF at InfoFlora.ch .
6. ↑ ^{a b c} ffh-anhang4.bfn.de .
7. ↑ ^{a b} Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . With the collaboration of Angelika Schwabe and Theo Müller. 8th, heavily revised and expanded edition. Eugen Ulmer, Stuttgart (Hohenheim) 2001, ISBN 3-8001-3131-5 , pp. 708 .
8. ↑ ^{a b c} Helosciadium repens in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved May 10, 2018.
9. ^ Helosciadium repens at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed on April 11, 2015.
10. ↑ Karin Greiner (as of June 27, 2014): Article "Protecting Bavaria-Flora" on radio / bayern1 / br.de ( Memento from April 14, 2015 in the Internet Archive )

Web links

Commons : Creeping Celery ( Helosciadium repens )  - Collection of images, videos and audio files

• Creeping celery . In: BiolFlor, the database of biological-ecological characteristics of the flora of Germany.
• Apium repens (Jacq.) Lag. In: Info Flora , the national data and information center for Swiss flora . Retrieved January 3, 2016.
• Profile and distribution map for Bavaria . In: Botanical Information Hub of Bavaria .
• Gerhard Nitter: Helosciadium repens (creeping swamp celery) - data sheet with photos.
• Michael Hassler, Bernd Schmitt: Flora of Germany : Helosciadium repens (L.) WDJ Koch (creeping celery) - data sheet.
• Helosciadium repens (Jacq.) WDJ Koch, Syn .: Apium repens (Jacq.) Lag. Creeping Celery, Creeping Scheiberich - Data sheet from Flora Oberfranken Online .