Chen Collection, Middle Volume Radical: Tree (mù) Hui Kangxi strokes: 17 Page 556, Entry 31 Rhyme Collection (Yunhui) suggests the pronunciation hui (rising tone); Categorized Compilation (Leipian) suggests the pronunciation hui (rising tone). It is a type of large pepper. Classic of Rites (Erya), Explaining Trees: The hui is a large pepper. Guo Commentary: The tree now commonly called pepper that grows in clumps and produces large fruits is known as hui.