Cassia vs. cinnamon
See Wuyi Rougui. 肉桂 is Cinnamomum cassia, and the 2026 standard describes the target aroma as cassia bark (桂皮).
Wuyi cultivar named for its cinnamon / cassia-like spicy aroma; one of the two workhorse cultivars of modern yancha alongside Shuixian.
See Wuyi Rougui. 肉桂 is Cinnamomum cassia, and the 2026 standard describes the target aroma as cassia bark (桂皮).
Trade saying: 香不过肉桂, 醇不过水仙 — "nothing beats Rougui for aroma, nothing beats Shuixian for mellowness". Origin is usually traced to Huiyuan / Mazhenfeng in the scenic area in the Qing dynasty; widespread planting dates from the 1980s onwards.
Babelcarp: “rougui” · babelcarp.org