McLewin & Chen (2006) Peony rockii and Gansu Mudan

breeder, date: Chen Dezhong between 1993 and 1994 engl. translation: Black Phoenix Butterfly color & form classification categories , remarks: 7.1.05, Early flowering, upright habit not online: 216 (2x)

Cheng Fangyun: 'Chinese Flare Mudan' (Beijing 2005)

'Hei Feng Die' description (in chinese) & picture available on page 143.

Li Jiajue 2005, Chinese Tree Peony, Xibei, Xinan, Jiangnan Volume

'Heifengdie' Single form, purplish black. Selected, cultivated and named by Chen D.Z.. [detailed description available on page 80]

Wilhelm de Wilde 2007

Carsten Burkhardt's Web Project Paeonia - The Peony Database

TTTT06

TTTT07

TTTT08