蓼蓝

Traditional form:

蓼藍

Pinyin (reading):

liǎolán

Definitions:

• indigo dye
• Polygonum tinctorium

Characters:

• 蓼 - knotweed, polygonum
• 蓝 - blue; indigo plant; surname

Traditional characters:

• 蓼 - knotweed, polygonum
• 藍 - blue; indigo plant; surname