(bound form) a type of evergreen shrub with white, fragrant flowers that close at night; also called 夜合花 yè​hé​huā or 夜香木兰 yè​xiāng​mù​lán

(bound form) a deciduous tree with feathery leaves that fold up at night and pink flowers; also called 合欢 hé​huān

(bound form) a perennial herb with heart-shaped leaves and tuberous roots used in traditional medicine; also called 何首乌 hé​shǒu​wū