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Rubia peregrina

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Rubia peregrina
Flowers of Rubia peregrina
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Rubia
Species:
R. peregrina
Binomial name
Rubia peregrina

Rubia peregrina, the common wild madder,[1] is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiaceae.

Etymology

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The genus name Rubia derives from the Latin ruber 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 peregrinus, -a, -um meaning "foreign, alien, exotic, strange."

Description

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The stem is woody, hairless, square and climbing and reaches on average 50–250 centimetres (20–98 in) long.[2] 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,[2] arranged at the top of long stalks. The flowering period extends from April through June.[2] The hermaphroditic flowers are pollinated by insects (entomogamy). The fruits are fleshy green berries, black when ripe, about 5 mm (0.20 in) in diameter.[2]

Distribution

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It is mainly present in Mediterranean Europe (Portugal, Spain, France, Italy, Greece and former Yugoslavia), in Great Britain and in North Africa.[2]

Habitat

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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 0–1,000 metres (0–3,281 ft) above sea level.[2]

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Synonyms

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References

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  1. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  2. ^ a b c d e f Pignatti S. - Flora d'Italia – Edagricole – 1982. Vol. II, pag. 379
  3. ^ Anthos
  4. ^ Kew Gardens

Further reading

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  • Potts, Daniel T. (2022). "On the history of madder (Rubia peregrina L., and Rubia tinctorum L.) in pre-modern Iran and the Caucasus". Asiatische Studien - Études Asiatiques. doi:10.1515/asia-2021-0039.
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