葍 [fú]
1. A perennial climbing herb, whose flowers and leaves resemble those of water convolvulus but are smaller; it is harmful to crops.
2. (noun) A type of grass. It is a perennial vine, also known as "small morning glory" or "sweet potato vine" (English: a kind of grass). It is found everywhere in the fields, and its underground stems can be steamed and are sweet in flavor.
3. (reference)
1. From the Book of Songs, "Xiao Ya, Wo Xing Qi Ye": mention of picking葍 (fú).