His writing doesn't pile on flowery language - it's plain and powerful.
Tips
usage
Stock collocations: 辞藻华丽 ('flowery rhetoric'), 堆砌辞藻 ('to pile on flowery language', usually criticism). Native graders use 辞藻 to flag writing that's all glitter and no substance.
memory
藻 originally means 'water plants / algae' - by extension, anything ornamental and decorative. 辞 is 'speech / writing'. So 辞藻 = the 'algae' of speech: pretty growths spread across the surface.
