- Barbarea vulgaris
taxobox
name = "Barbarea vulgaris"
regnum =Plantae
unranked_divisio =Angiosperms
unranked_classis =Eudicots
unranked_ordo =Rosids
ordo =Brassicales
familia =Brassicaceae
genus = "Barbarea "
species = ""'B. vulgaris
binomial = "Barbarea vulgaris"
binomial_authority = R.Br.|"Barbarea vulgaris", also called as Bittercress, Herb Barbara, Rocketcress, Yellow Rocketcress, Winter Rocket, and Wound Rocket, is a biennial herb native to
Europe .This
plant has basal rosettes of shiny, dark green leaves, and pinnately divided leaves on the stem. The yellow flowers are borne in dense terminal clusters above the foliage in spring.It is naturalised in many parts of
North America as a weed.The flowers appear from about May through October.It grows to about 8-32 inches. Winter Cress prefers moist, disturbed fields.The plant is naturally resistant to some insect species. In the case of the diamondback moth,
Plutella xylostella , the resistance is caused bysaponin s. Other plant chemicals in this species are theglucosinolate s glucobarbarin andglucobrassicin that attract cabbage white butterflies such asPieris rapae .
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