An evergreen perennial herb with long, sword-shaped leaves and a distinct fragrance; used for decoration, traditional medicine, and to ward off evil during the Dragon Boat Festival.

(botany) gladiolus; a perennial flowering plant with sword-shaped leaves, commonly referred to as [[剑兰|劍蘭|jian4 lan2]]

the plant Acorus calamus, also known as sweet sedge

Acorus gramineus, a wetland plant used in traditional medicine; also known as stony sweetflag

Wine infused with calamus leaves, traditionally consumed during the [[端午节|端午節|duan1 wu3 jie2]] to ward off evil and improve health.