FUN FACTS Botanical name: Crataegus,  AKA 山楂  (Shan zha), thorn Apple, May-tree, whitethorn, or hawberry CONSTITUENTS Berries, leaves, and flowers have similar phytochemicals with different ratios of flavonoids and procyanidins. Berries are rich in hyperoside, while leaves have higher levels of vitexin-2-rhamnoside. 1 Phenolic compounds, aglycones, procyanidins.   Triterpenic acids (ursolic, oleanolic, and crataegolic acids) and phenol carboxylic acids…