- Anagallis arvensis
Taxobox
name = Scarlet pimpernel
image_width = 250px
regnum =Plant ae
divisio = Magnoliophyta
classis =Magnoliopsida
ordo =Ericales
familia =Myrsinaceae
genus = "Anagallis "
species = "A. arvensis"
binomial = "Anagallis arvensis"
binomial_authority = L.The scarlet pimpernel ("Anagallis arvensis"; also known as the red pimpernel, red chickweed, poorman's barometer, shepherd's weather glass, or shepherd's clock) is a low-growing, annual
plant in the familyMyrsinaceae , growing inEurope ,Asia andNorth America . Thebarometer (weather glass) common names have their origin in the fact that the flowers close whenatmospheric pressure decreases and bad weather is approaching.This common
Europe an plant is generally considered aweed and is an indicator of light soils.It is most well known for being the emblem of the fictional hero "
The Scarlet Pimpernel ".Growth
The stems are about 45 cm long and generally prostrate. The bright green ovate sessile leaves grow opposite. The small orange
flower s grow in the leaf axils from spring till autumn. Thepetal margin is somewhat crenate.ubspecies
The subspecies "Anagallis arvensis" ssp. "foemina" has bright, deep blue flowers. Many botanist consider it a species on its own, namely "Anagallis foemina".
References
*
*Harvey Wickes Felter andJohn Uri Lloyd (1898 ) "King's American Dispensatory".
*cite journal|author = Mari Källersjö, Gullevi Bergqvist and Arne A. Anderberg| title = Generic realignment in primuloid families of the Ericales s.l.: a phylogenetic analysis based on DNA sequences from three chloroplast genes and morphology| year = 2000| journal = American Journal of Botany|volume = 87|pages = 1325–1341| doi = 10.2307/2656725 ( [http://www.amjbot.org/cgi/reprint/87/9/1325 full pdf.text] )
*cite journal|author = Ulrika Manns and Arne A. Anderberg|year = 2005|title = Molecular Phylogeny of Anagallis (Myrsinaceae) Based on ITS, trnL-F, and ndhF Sequence Data|journal = International Journal of Plant Sciences|volume = 166 |pages= 1019–1028|doi =10.1086/449318External links
* [http://www.ct-botanical-society.org/galleries/anagallisarve.html Connecticut Botanical Society: "Anagallis arvensis"]
* [http://plants.usda.gov/java/profile?symbol=ANAR USDA Plants Profile: "Anagallis arvensis"]Image gallery
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