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SCIENTIFIC NAME
COMMON NAME
THUMBNAILS
Kingdom Plantae
Sub Kingdom Tracheobionta (vascular plant)
Superdivision Spermatophyta (seed plant)
Division Magnoliophyta (flowering plant)
Class Magnoliopsida (dicotyledon)
Order Capparales
Family Brassicaceae
Genus Cardamine
Species hirsuta
Classification L.
Common name bittercress

Geographic Range it is native to Europe and western Asia.
Physical Characteristics annual plant, from 7 to 30 centimeters high; the stems are glabrous, erect, branched at the base. Pinnatesect basal leaves are clustered in a rosette, with 1-3 or five pairs of oval leaflets and a bigger and kidney-shaped terminal leaflet. There are 2-4 cauline leaves, pinnatesect and smaller than basal leaves. Flowers are grouped in clusters at the end of the flower canes; they are made up of 4 white, violet shaded, 2-3 millimeters long petals. The fruit is a silique, which, when the seeds are ripe, suddenly opens setting the unwinged 15-20 seeds free.
Habitat disturbed soils and cultivated fields, walls, humid areas, fields.

Sources  
References Department of Plant Pathology, Physiology & Weed Science - Virginia Tech University
Web References http://www.ppws.vt.edu/
Source of the photo INRA Institut National de la Recherche Agronomique - Paris - France

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