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The charred petiole of Trachycarpus fortunei (Arecaceae). Enters the Lung, Liver, and Large Intestine channels. Bitter, astringent, and neutral, it strongly astringes and stops bleeding, particularly for flooding/spotting and hematemesis. Should be combined with blood-invigorating herbs to avoid retaining stasis.
收涩止血
煎服3–10g。研末服每次1–1.5g。
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
出血兼有瘀滞者不宜单用（收涩留瘀）。
常规剂量安全。出血兼瘀者慎单用。
棕榈皮烧灰存性，涩可以止血。
@misc{bencaodian-zong-lv-tan,
author = {{Bencaodian Editorial}},
title = {Zōng Lǚ Tàn 棕榈炭 (Charred Trachycarpus) — Trachycarpi Petiolus Carbonisatus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/zong-lv-tan},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
棕榈炭经煅炭后富含鞣质，具收敛、凝血、止血作用。
After charring, trachycarpus is rich in tannins with astringent, coagulant, and hemostatic effects.
棕榈炭止血不化瘀，宜配伍活血药防止留瘀。
Bensky notes Zonglv Tan stops bleeding without transforming stasis; combine with blood-invigorating herbs to prevent stasis retention.
This section is provided for academic reference only and does not constitute medical advice.