What is Utubo-gusa
Utsubo-gusa or Asian self-heal (Scientific name: Prunella vulgaris subsp. asiatica) is a subspecies of the perennial herb 'Prunella vulgaris' of the family Lamiaceae native of the northern hemisphere of China, Japan, Taiwan, Korea, India. The summer in sunny grasslands and wild places a spicate inflorescence of ductility (old Samurai put arrows and carrying a bamboo tube) put a lot of lip-Mauve flowers. The stem is square, and leaves are opposite. A flower and a spike have hair. The spike is considered to be Chinese medicine.
Common name: Utsubo-gusa or Asian self-heal, Scientific name: Prunella vulgaris subsp. asiatica , Place of origin: The northern hemisphere of the northern hemisphere of China ,Japan,Taiwan, Korean peninsula, Ind, environment :grasslands and wild places, Living type: perennial herb, stem length: 10 to 30 cm, leaf shape: lance shaped, leaf length: 2 to 4 cm, spike length: 3 to 8 cm, flower diameter: 0.5-2 cm, flowering time: May to June, flower color: Wisteria-blue-purple-white.