瑶草琪花 (瑤草琪花) yáo cǎo qí huā

yáo cǎo qí huā set phrase plants and flowers in a fairyland
Domain: Idiom 成语 , Concept: Tree 树
Notes: (Guoyu '瑤草琪花'; Mathews 1931 '琪花瑤草', p. 70)