丝葵(学名:Washingtonia filifera)又名老人葵、华盛顿椰子等,是棕榈科丝葵属的一种植物。[2][3][4]
形态
常绿乔木。茎单生,高20~30米,浅灰色,基部通常不膨大,顶端稍细,有纵裂纹或皱纹。近圆形大型叶片,直径2~3m,掌状深裂,裂片50~100片,边缘、先端及裂口有多数细长、下垂的丝状纤维,似白发苍苍的老人,所以又名老人葵。枯叶先端稍下垂,宿存被覆树干。
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