Shrubs, 8 to 15 ft.Flowers (April) are white, suffused rose, without spots or spotted purple to pink.Corolla cup-shaped to openly campanulate.Found in and on the margins of mixed thickets and forests from 4,500 to 11,000 ft.China (Yunnan, Guangxi), NE Burma.
1969/072(laxiflorum)EXB:MVW(+5).Flowers pure white.
1970/132(syn. hardingii)STR(+5).Medium shrub with narrow leaves and white flowers flushed rose.
1979/099BRP(H3-4).Hardy, late season white flowers and medium habit.