Acer caesium
Acer caesium is an Asian species of maple found in India, Pakistan, Nepal, and China (Gansu, Henan, Hubei, Ningxia, Shaanxi, Sichuan, Tibet, Yunnan). "Acer caesium" is a tree up to tall, with gray bark. Leaves are non-compound, with 5 shallow lobes, the blade up to long, with teeth along the edges. "Acer caesium" subspecies "giraldii" grows to approximately tall, and is found in north-western China. The flowers are a bluish white and born on young shoots in the spring. The subspecies epithet is a patronym honoring Italian missionary Giraldi.