(Emei medicine plant)
[synonym] seagrass (list of medicinal plants in Guangxi).
[source] it is the whole grass of the aquatic plant Pteris pinnatifida.
[plant morphology] Pteris pinnatifida
Perennial herbs, 40-100 cm high. Rhizome thick and transverse, scales triangular, sieve shaped, brown. The leaf blade is pinnately divided, 30-40 cm long and 20-30 cm wide; the lobes are linear, 7-15 cm long and 3-4 cm wide, blunt, margin microwavy; the leaf is papery, green, with obvious veins and reticulate veinlets. Sporangia small, stellate, scattered under leaves, sometimes fused; spores biphasic, smooth.
Under the forest or by the stream. It is distributed in southwest, South China and Taiwan.
[functions and indications] ① Emei Yaozhi: "treating knife wounds. "
② "Guangxi medicine and plant directory": "Ye: treatment of traumatic brain injury, drainage, hernia. "
③ The whole plant: clearing away heat and dampness, promoting blood circulation and dispersing blood stasis. It's a cure for injuries. "
[usage and dosage] oral administration: decoction, 1-3 yuan. External use: tamping.
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