Ilex macropoda
Ilex macropoda is a species of flowering plant in the holly family Aquifoliaceae, native to southern China, Korea, and Japan. A deciduous tree typically  tall, it is found in mixed forests, forest edges, thickets, and roadsides, usually from  above sea level. Local people make a tea by boiling its leaves. References

macropoda
Flora of South-Central China
Flora of Southeast China
Flora of Korea
Flora of Japan
Plants described in 1867