此纹饰出自于乾清宫东小殿—皇帝“御书房”昭仁殿西耳房外檐柁头正面。建筑外檐梁檩枋满绘金龙合玺彩画,柁头正面绿地绘沥粉贴金双降夔龙纹。作为一种由卷草纹抽象组合的次一等“草龙”形象,此纹饰常与龙纹、锦纹、西番莲等纹饰相搭配,普遍用于官式彩画之中。 This decoration comes from the palace of the Eastern Qing Dynasty Palace - Emperor “Imperial study ” Zhaoren Temple West ears outside the eaves 柁 head front. Beyond the building eaves beam 檩 绘 painted gold dragon together Xi painting, 柁 head painted green earth leaking gold double drop 夔 dragons. As a combination of the first volume by the curly grass pattern “grass dragon ” image, this pattern often with dragon, Kam grain, passiflora and other ornamentation match, commonly used in the official color painting.