DONG GUA PI
Benincasa hispida (Thunb.) Cogn. (Fam. Cucurbitaceae) I. Branch with flowers; 2. Fruit pharmaceutical name Rhizoma Bletillae Striatae english name bletilla rhizome part used dried tuber
Rhizoma Bletillae Striatae is produced chiefly in southern and southwestern China. It is collected in summer and autumn. The hairy rootlets and the bark are removed, the tuber is washed, then dried in sunlight. It is sliced or ground into fine powder for application.
flavor, property, and channel tropism
Bitter, sweet, and sour in flavor, slightly cold in property, acts on the Lung, Liver, and Stomach channels.
Astringes blood, reduces swelling, and promotes the regeneration of tissue.
clinical use and major combinations
For hemoptysis, it is ground into powder and used alone or with Folium Eriobotryae (Pi Pa Ye), Nodus Nelumbinis Rhizomatis (Ou Jie), Colla Corii Asini (A Jiao), and fresh Radix Rehmanniae (Sheng Di Huang) in "The Pills of Bletillae and Eriobotryae" (Bai Ji Pi Pa Wan).
For bleeding due to traumatic injuries, it is ground into a fine powder and used externally, either alone or with powdered Gypsum Fibrosum (Shi Gao).
For sores, boils, and carbuncles at the early stage, and non-ulcerated infections, it is used with Flos Lonicerae (Jin Yin Hua), Bulbus Fritillariae Cir-rhosae (Bei Mu), and Radix Trichosanthis (Tian Hua Fen) in an oral dose. For slow-healing sores, Bletilla powder is applied externally.
dosage and administration
3 —to g, if used in decoction; r.5—3 g, if used as a powder. Appropriate quantity for external application.
It is incompatible with Radix Aconiti (Chuan Wu) and Radix Aconiti Kusnezoffii (Cao Wu).
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