Yellow Delavay peony

Delavayanae tree peony with the following characteristics: Very bright yellow flowers, with orange-red stamens and filaments. Very pleasant scent. Somewhat vigorous shrub, completely smooth. Medium-late flowering. Originally from Yunnan, it was discovered by abbot Delavay in 1883, in the conifer forest at an altitude between 3.000 and 5.000 metres.