Full sun for best heavy fruiting. Species found in Central and Western China. Leaves are bright green, in one plane, 3-7.5 cm long, about half as wide, acuminate, coarsely serrate except at apex and base. Eastern and central China, Japan. Leaves elliptic to ovate, 5-12 cm long wide, long acuminate, serrulate, yellowish glands below.
Flowers pink or white in mid-summer.
Sun to part shade. Most attractive in late summer and fall.