Definition: Senna Leaf is the dried leaflet of Cassia angustifolia Vahl or Cassia acutifolia Delile (Fam.Leguminosae).

• 本品为豆科植物狭叶番泻 Cassia angustifolia Vahl 或尖叶番泻 Cassia acutifolia Delile 的干燥小叶。