Between Yam and Pueraria, which flower is used in traditional Chinese medicine?
Yam (vegetable): Yam is the common name for some plant species in the genus "Dioscorea" (family Dioscoreaceae) that form edible tubers. Yams are perennial herbaceous vines cultivated for the consumption of their starchy tubers in many temperate and subtropical world regions. Yam (vegetable):  The tubers themselves are also called "yams", having numerous cultivars. Pueraria: Pueraria is a genus of 15–20 species of plants native to Asia. Pueraria:  "Pueraria" flower is used in traditional Chinese medicine to reduce reactions to alcohol consumption, and is undergoing scientific study for that use.
Pueraria