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Rubia peregrina

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Rubia peregrina, the common wild madder,<ref name=BSBI07>Template:Cite web</ref> is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiaceae.

Etymology

The genus name Rubia derives from the Latin Template:Lang meaning "red", as the roots of some species (mainly Rubia tinctorum) have been used since ancient times as a vegetable red dye. The specific epithet is the Latin adjective Template:Lang meaning "foreign, alien, exotic, strange."

Description

The stem is woody, hairless, square and climbing and reaches on average Template:Convert long.<ref name=Pignatti>Pignatti S. - Flora d'Italia – Edagricole – 1982. Vol. II, pag. 379</ref> The evergreen leaves are sessile, glossy, leathery, oval-lanceolate and toothed on the margins. They are arranged in whorls, usually with five or more leaves radiating from a single node. The small flowers have five petals and are pale green-yellowish, about 5–7 mm in diameter,<ref name=Pignatti/> arranged at the top of long stalks. The flowering period extends from April through June.<ref name=Pignatti/> The hermaphroditic flowers are pollinated by insects (entomogamy). The fruits are fleshy green berries, black when ripe, about Template:Convert in diameter.<ref name=Pignatti/>

Distribution

It is mainly present in the Mediterranean Europe (Spain, Portugal, France, Italy, Greece and former Yugoslavia), in Great Britain and in North Africa.<ref name=Pignatti/>

Habitat

This stress resistant weed is typical of Mediterranean scrub. It grows in thickets, bushes, hedges, stony grounds and along the roads and paths. It prefers dry soils, at an altitude of Template:Convert above sea level.<ref name=Pignatti/>

Gallery

Synonyms

  • Rubia anglica Huds. (1762)
  • Rubia angustifolia L. (1767)
  • Rubia lucida L. (1767)
  • Rubia bocconii Petagna (1787)
  • Rubia longifolia Poir.
  • Rubia splendens Hoffmanns. & Link (1824)
  • Rubia requienii Duby (1830)
  • Rubia dalmatica Scheele (1844)
  • Rubia angustifolia var. requienii (Duby) Nyman (1879)
  • Rubia peregrina var. dalmatica (Scheele) Nyman (1879)
  • Rubia peregrina var. lucida (L.) Nyman (1879)
  • Rubia peregrina var. splendens (Hoffmanns. & Link) Nyman (1879)
  • Rubia erratica Bubani (1899)
  • Rubia reiseri Halácsy ex Hayek (1930)
  • Rubia peregrina subsp. longifolia (Poir.) O.Bolòs (1969)
  • Rubia peregrina var. requienii (Duby) Cardona (1974)
  • Rubia peregrina subsp. requienii (Duby) Cardona & Sierra (1980)
  • Rubia agostinhoi Dans. et Silva
  • Rubia peregrina subsp. agostinhoi (Dans. et Silva) Valdés et G.López<ref name=RJB>Anthos</ref><ref name=kew>Kew Gardens</ref>

References

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External links

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