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金光菊(学名:Rudbeckia laciniata)是菊科金光菊属的植物,又称“黑眼菊”。其种加词“laciniata”来源于拉丁文“lacinia”,意为“棱角”、“裂叶的”。
多年生草本,高1-2m。叶子互生,下部叶子不裂或羽状5-7深裂,边缘浅裂或有不等的疏锯齿;中部叶3-5深裂;上部卵形叶子不裂,全缘或有少数粗齿。夏季开花,头状花序,直径7-12cm,单生枝顶;总苞半球形;总苞片2层,被短毛;球形花托;舌状花金黄色;倒披针形舌片,先端具2短齿;管状花黄色或黄绿色。瘦果。
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