Sugar maples are known for maple syrup although many socalled syrups of today contain very little if any maple extracts. 다른 일반적인 단풍나무로는 노르웨이, 레드, 실버, 플라타너스, 일본 단풍나무 등이 있습니다. The air pollutant sulfur dioxide can cause an increase in ethylene production with red maple foliage.