Figure 1.
Flower types of all 10 tree peony cultivars. From left to right, from top to bottom were P. ostii cv. ‘Feng Dan’ (single-lobe type), P. suffruticosa cv. ‘Da Jin Fen’ (lotus type), P.×lemoinei ‘High Noon’ (chrysanthemum type), P. suffruticosa cv. ‘Da Zong Zi’ (rose type), P. suffruticosa cv. ‘Cao Zhou Hong’ (melaleuca proliferate-flower type), P. suffruticosa cv. ‘Greendragon sleeping pool’ (anemone type), P. suffruticosa cv. ‘Yao Huang’ (golden circle type), P. suffruticosa cv. ‘Shou An Hong’ (crown type), P. suffruticosa cv. ‘Dou Lv’ (globular type) and P. suffruticosa cv. ‘Guan Qun Fang’ (tower-like proliferate-flower type).
