翻白草为蔷薇科植物翻白草的干燥全草。夏、秋二季开花前采挖,除去泥沙和杂质,干燥。取原药材除去杂质,洗净,稍润,切段后成为饮片。药材性状干燥块根呈纺锤形或圆柱形,长4至8cm,直径0.4至1cm;表面黄棕色或暗褐色,有不规则扭曲沟纹;质硬而脆,折断面平坦,呈灰白色或黄白色。基生叶丛生,单数羽状复叶,多皱缩弯曲,展平后长4至13cm;小叶5 Turn white grass for the Rosaceae turn white grass dry whole plant. Summer and autumn flowering before digging digging, remove sediment and impurities, dry. Take the original material to remove impurities, wash, slightly run, cut into sections after the piece. Dried roots of medicinal traits were spindle or cylindrical, 4 to 8cm long, 0.4 to 1 cm in diameter; surface yellowish brown or dark brown, with irregular twisted grooves; hard and brittle fracture flat, gray or yellowish white. Basal leaves clustered, single pinnate, more crimp bend, flattened after 4 to 13cm; leaflets 5