Edible: Oil, Leaves - flavouring, Leaves, Leaves - tea
A herb which keeps growing from year to year. It has rhizomes or underground stems. The above ground stems are erect and 30-60 cm high. They are hairy. There are many branches. The leaf stalk is 2-10 mm long. The leaf blade is oval to sword shaped and 3-5 cm long by 0.8-3 cm wide. They are hairy. The edges have coarse teeth. The flower heads are about 1.8 cm across. The flowers are purplish or white.
It is a temperate and subtropical plant. In China it grows in wet areas from sea level to 3500 m altitude in all provinces. It grows in Yunnan in China.
Common Names: Angzhi, Bo he, Hung gioi, Kanadska meta, Lao su ba kuo, Qiubi, Sheng bo he, Zha hong leng
Synonyms:
Mentha arvensis L. var. canadensis (L.) Maxim.;
Mentha arvensis f chinensis Debeaux;
Mentha arvensis subsp. haplocalyx (Briquet) Briquet;
Mentha arvensis var. haplocalyx (Briquet) Briquet;
Mentha haplocalyx Briquet;
Mentha pedunculata Hu & Tsai; [Illegitimate]