Looking for Berberis?
They are yellow or orange, 3-6 mm long, with six sepals and six petals in alternating whorls of three, the sepals usually coloured like the petals. The fruit is a small berry 5-15 mm long, ripening red or dark blue, often with a pink or violet waxy surface bloom; they may be either long and narrow (like a bar, hence 'barberry') or in other species, spherical.
About 85% of production is in Qaen and about 15% in Birjand. According to evidence the cultivation of seedless barberry in South Khorasan goes back to two hundred years ago. BARBERRY GROWING IN IRAN,http://www.actahort.org/members/showpdf?booknrarnr=620_21 A garden of zereshk is called zereshk-estan.
Source: Wikipedia > Berberis
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