White grass, a perennial herbaceous plant. 20-100 cm tall. The rhizome is white, creeping horizontally, and densely covered with scales. The stem is erect, cylindrical, smooth and hairless, with many old leaves and residual leaf sheaths at the base. The leaves are linear or lanceolate; the roots have leaves that are as long as the plant; the stem leaves are shorter, 3-8 mm wide, brown leaf sheaths, hairless, or with short hairs on the upper part, edges and sheath mouth.
The medicinal source: The leaves of Imperata cylindrica, a plant in the Poaceae family.
Latin plant animal mineral name: Imperata cylindrica P. Beauv. Var. Major (Nees) C. E. Hubb.
Harvesting and storage: Can be harvested throughout the year.
Ecological environment: The leaves of Imperata cylindrica grow in sunny grasslands along the road or on hillsides.
Resource distribution: The leaves of Imperata cylindrica are distributed in Northeast China, North China, East China, Central South China, Southwest China, Shaanxi, Gansu, and other regions.
Chemical composition: The leaves and stems of Imperata cylindrica contain triterpenes (friedelin), arborinol and its methyl ether, fernenol and its methyl ether, arborinone, arundoin, and other triterpenoid compounds.
Taste and properties: Spicy; slightly bitter; neutral.
Dosage and administration: Internal use: decoction, 15-30g. External use: appropriate amount, decoction for washing.
Clinical application of Imperata cylindrica leaf:
Imperata cylindrica leaf is used in combination with herbal medicine for rheumatism and bone disorders.
