family Berberidaceae
common name: Japanese barberry, Thunberg's barberry
Etymology: the genus name was coined from the Arabic Barbarisi , with whom he was named the fruit of the common barberry (Berberis vulgaris). The specific attribute is given in honor of Swedish botanist Thunberg CP (1743-1828), pupil and successor of Linnaeus, active student of the flora of the Far East, South Africa and Ceylon, introduced in Europe promoter of many species for cultivation in gardens.
Japanese barberry is a deciduous shrub of medium size, tall and up to 3 meters wide, from Japan and eastern regions of ' Asia. Has compact habit, with dense foliage and disordered thin branches and spiny, curved, light brown. The plugs, placed in leaf nodes, are long and thin, single but sometimes three in number. It is used as an ornamental plant in the whole northern hemisphere, although the typical species has been supplanted by a number of strains grown in the gardens of the activity nursery. While preferring loose ground and slightly acidic, with a little limestone, it adapts very well to different soil conditions, even on difficult substrates and poor. Prefers sunny or light shade, tolerates easily polluted the atmosphere of the city and is highly resistant to rather drastic pruning, they can safely be used for urban areas rather difficult.
leaves are deciduous, sub-sessile, obovate, the margins entire, deep green on the page higher glaucescent at the bottom. In the autumn assumes a red color and very showy ornamental
flowers, gathered in racemes 1-2 cm long, bloom continuously from May to June , giving rise to small berries ovoid orange and scarlet in color at first, edible and highly appreciated by birds.
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