Stemona japonica seed
Naming
Bai Bu (Radix Stemonae)——Ming Yi Bie Lu (Miscellaneous Records of Famous physicians)
Origin
The dry root tuber of perennial herbaceous plant Stemona sessili folia (Miq.) Miq., Stemona japonica (BI.) Miq. or Stemona tuberosa Lour. of family Stemonaceae.
Harvest
Collected in spring or autumn, removed fibrous root, cleaned, blanched in boiling water slightly or steamed deeply.
The actual smell and taste
Light smell; Stemona sessili folia (Miq.) Miq. have bitter and sweet taste, while Stemona japonica (BI.) Miq, and Stemona tuberosa Lour. have bitter taste.