What is Usuba saishin
Usuba saishin (scientific name: Asarum sieboldii) is an inherent species of Tokunoshima and is a varieties of canoe odor. The leaf quality is thinner than the canopy, and the taste is hard. Flowering in spring. Roots and rhizomes are traditional Chinese medicine.
Common name: Usuba ssin (thin leaf slender), Scientific name: Asarum sieboldii, flowering period: March to May.