Catalpa

Catalpa

(grasp the spirit of Materia Medica)

[source] it is the wood of Bignoniaceae. For plant morphology, please refer to "zibaipi".

[chemical constituents] it contains catalactone and a variety of naphthoquinone derivatives, among which α - laquatone has been confirmed.

[function indications] "grasping the spirit of Materia Medica": "for the treatment of hand and foot gout, decoction of Catalpa wood, steam it on the barrel, do not let the soup gas into the eyes. "Treat cholera without vomiting or diarrhea, and spit it with the concentrated juice of Catalpa sawdust. "