[1]王莲英.中国牡丹品种图志[M].北京:中国林业出版社,1997. [2]Wang L S,Hashimoto F,Shiraishi A,et al.Chemical taxonomy of the Xibei tree peony from China by floral pigmentation [J].Journal of Plant Research,2004,117(1):47-55. [3]Wang L S,Hashimoto F,Shiraishi A,et al.Phenetics in tree peony species from China by flower pigment cluster analysis [J].Journal of Plant Research,2001,114(3):213-221. [4]Wang L S,Shiraishi A,Hashimoto F,et al.Analysis of petal anthocyanins to investigate flower coloration of Zhongyuan (Chinese) and Daikon Island (Japanese) tree peony cultivars [J].Journal of Plant Research,2001,114(1):33-43. [5]Fan J L,Zhu W X,Kang H B,et al.Flavonoid constituents and antioxidant capacity in flowers of different Zhongyuan tree penoy cultivars [J].Journal of Functional Foods,2012,4(1):147-157. [6]Li C,Du H,Wang L,et al.Flavonoid composition and antioxidant activity of tree peony (Paeonia?Section Moutan) yellow flowers [J].Journal of Agricultural and Food Chemistry,2009,57(18):8496-8503. [7]Wang X,Cheng C,Sun Q,et al.Isolation and purification of four flavonoid constituents from the flowers of Paeonia suffruticosa?by high-speed counter-current chromatography [J].Journal of Chromatography,2005,1075(1):127-131. [8]樊金玲,朱文学,沈军卫,等.高效液相色谱-电喷雾质谱法分析牡丹花中花色苷类化合物[J].食品科学,2007,28(8):367-371. [9]樊金玲,朱文学,沈军卫,等.红色系中原牡丹品种花色苷和黄酮的含量分析[J].北方园艺,2009(10):191-194. [10]Heursel J.Diversity of flower colours in?Rhododendron simsii Planch and prospects for breeding [J].Euphytica,1981,30(1):9-14. [11]Katsumoto Y,Masako F M,Yuko F,et al.Engineering of the rose flavonoid biosynthetic pathway successfully generated blue-hued flowers accumulating delphinidin [J].Plant and Cell Physiology,2007,48(11):1589-1600. [12]De V N,Jeroen T H,Henk-Peter V S,et al.A cytochrome b5 is required for full activity of flavonoid 3′,5′-hydroxylase,a cytochrome P450 involved in the formation of blue flower colors[J].Proceedings of the National Academy of Sciences,1999,96(2):778-783.