Chinese rhubarb; rhubarb root (medicinal)
Refers to the plant Rheum officinale or its dried root, used as a purgative in traditional Chinese medicine.
Rhubarb root is known as an ingredient in traditional Chinese medicine.
This crude drug contains rhubarb root.
Standard kanji spelling for the plant and its medicinal root.
Katakana spelling commonly used in botanical and medical contexts.
The Japanese name だいおう is derived from the Chinese name for rhubarb, 大黄 (dàhuáng).