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Polypodium vulgare

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Kingdom  Plantae
Order  Polypodiales
Genus  Polypodium
Higher classification  Polypodium
Division  Pteridophyta
Family  Polypodiaceae
Scientific name  Polypodium vulgare
Rank  Species
Polypodium vulgare Polypody Polypodium vulgare NatureSpot
Similar  Polypodium, Dryopteris filix‑mas, Athyrium filix‑femina, Dryopteris, Asplenium scolopendrium

Polypodium vulgare

Polypodium vulgare, the common polypody, is a fern of the Polypodiaceae family. Polypodium vulgare is an allotetraploid species, believed to have arisen by chromosome doubling of a sterile diploid hybrid between two ferns which are not known in Europe. The fern's proposed parents are the northern Asian and northern North American Polypodium sibiricum and western North American Polypodium glycyrrhiza. Biochemical data point to a species from eastern Asia as the second possible parent. The name is derived from poly (many) and pous, podos (a foot). Polypody has traditional uses in cooking for its aroma and sweet taste, and in herbal medicine as a purgative and vermifuge.


Polypodium vulgare medicinal herbs POLYPODY Polypodium vulgare

Polypodium vulgare time lapse


Polypodium vulgare Polypodium Vulgare

Polypodium vulgare, the common polypody, is a fern developing in isolation from along a horizontal rhizome. The fronds with triangular leaflets measure 10 to 50 centimetres. They are divided all the way back to the central stem in 10 to 18 pairs of segments or leaflets.

The leaflets become much shorter at the end of the frond. The leaflets are generally whole or slightly denticulated and somewhat wider at their base, where they often touch each other. They have an alternating arrangement, those on one side being slightly offset from those on the other side. The petioles have no scales.

The sori are found on the lower side of the fronds and range in colour from bright yellow to orange. They became dark grey at maturity.

  • Period of sporulation: July to September.
  • Mode of dissemination: anemochory (wind dispersal).
  • Geographical distribution

    Polypodium vulgare httpsuploadwikimediaorgwikipediacommonsthu

    The common polypody occurs throughout western Europe and North Africa.[1] It is very common in France, where it is found up to an altitude of 2,000 metres (6,600 ft). It is also quite common in Scandinavia and Carpathian Mountains. It is an introduced species in New Zealand, that has begun to spread into the wild as an invasive species.


    Polypodium vulgare Buy common polypody Polypodium vulgare Delivery by Crocus

    This fern is found in shaded and semi-shaded locations. It is found on old walls, cracks in rocks, the bases of trees and in rocky undergrowth. It prefers sandy soils and rarely tolerates lime.


  • In cooking: The rhizome has a bittersweet taste. It has traditionally been used in some confectionery such as nougat for its aromatic properties. In 1971, a saponin, osladin was found in the roots and believed to be the compound responsible for the sweet taste as it elicits a relative sweetness 500 times sweeter than sugar (by weight).
  • Medicinal: The dried rhizome is used in herbal medicine as a purgative and vermifuge; these properties are due to the phytoecdysteroids in the rhizome.
  • Note

  • The name Polypodium vulgare is sometimes applied to the Polypodium virginianum (rock polypody). Licorice fern is also known as Polypodium glycyrrhiza.
  • References

    Polypodium vulgare Wikipedia

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    Asplenium scolopendrium