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Scarlet pimpernel
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Ericales
Family: Myrsinaceae
Genus: Anagallis
Species: A. arvensis
Binomial name
Anagallis arvensis
L.

Scarlet pimpernel (Anagallis arvensis; also known as red pimpernel, red chickweed, poorman's barometer, shepherd's weather glass or shepherd's clock) is a low-growing annual plant found in Europe, Asia and North America. Although traditionally included in the family Primulaceae, Anagallis is now considered to be better placed within the related family Myrsinaceae (Källersjö et al., 1999). The barometer (weather glass) common names have their origin in the fact that the flowers close when atmospheric pressure decreases and bad weather is approaching.

This common European plant is generally considered a weed and is an indicator of light soils.

It is most well known for being the emblem of the fictional hero The Scarlet Pimpernel.

Contents

Description

Scarlet pimpernel has weak sprawling stems growing to about 50 cm long, which bear bright green ovate sessile leaves in opposite pairs. The small orange, red or blue flowers are produced in the leaf axils from spring till autumn. The petal margins are somewhat crenate and have small glandular hairs. Blue-flowered plants (A. arvensis Forma azurea) are common in some areas, such as the Mediterranean region, and should not be confused with the related Blue pimpernel, Anagallis foemina, sometimes treated as a subspecies, Anagallis arvensis ssp. foemina.

References

External links

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Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Anagallis arvensis

Taxonavigation

Classification System: APG II (down to family level)

Main Page
Cladus: Eukaryota
Regnum: Plantae
Cladus: Angiospermae
Cladus: Eudicots
Cladus: core eudicots
Cladus: Asterids
Ordo: Unassigned Asterids
Ordo: Ericales
Familia: Primulaceae
Tribus: Anagallideae
Genus: Anagallis
Species: Anagallis arvensis

Name

Anagallis arvensis L.


Synonyms: A. latifolia L., A. phoenicea Scop., A. arvensis var. phoenicea Ledeb., A. phoenicea var. carnea C. Koch in Linnaea

Vernacular names

Deutsch: Roter Gauchheil
English: Scarlet Pimpernel
Magyar: Mezei tikszem
Русский: Очный цвет пашенный
Wikimedia Commons For more multimedia, look at Anagallis arvensis on Wikimedia Commons.







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