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SisymbriumPosted by Soodabeh (Yazd, Iran) on 20 May 2007 in Plant & Nature and Portfolio. London Rocket (Sisymbrium irio) is a herbal plant in the family Brassicaceae. Overview: large (can exceed 3 ft.) annual with open, slender stems that branch from their base. Flowers: pale yellow; corolla: multiple segments, small (1/16-3/16”). Inflorescence: clustered at the apex of a thin, green pedicle that turns reddish purple. Leaves: upper: spartan, linear, highly elongated (3-4“); basal: broader, pinnately divided to lanceolate (pinnately divided section near the node). Handlens: six yellow anthers (classical 4 + 2), solitary, green stigma and a style that is tiny or absent. Fruit: thin, green, cylindrical (no beak) silique that develops rapidly from the fertilized flower. The fruit develop so rapidly that flowers with a noticeably expanding ovary are part of the racemic flower head. These developing fruit can surround the flowers. Notes: aggressive competitor that some consider a "weed". One of the early members of the spring flora. Upper section, appearing to have linear leaves, is devoid of leaves; these structures are the siliques. The seeds of the London Rocket are also used to make a sweet Iranian drink that detoxifies the liver. خاکشیر (نام علمی: Sisymbrium irio) یا خاکِشی، گیاهی یکساله یا دوساله از تیره شببو است. خاکشیر در دشت و کوهستان میروید و بلندی ساقه آن تا یک متر نیز میرسد. پائین گیاه کرک دارست در حالیکه بالای آن بدون کرک میباشد. تخم این گیاه که همان خاکشیر است ریز و کمی دراز و معمولاً به دو رنگ وجود دارد یکی از آنها قرمز که دارای طعم کمی تلخ است و دیگری برنگ قرمز تیره میباشد.
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