This product is rectangular or quasi-circular, with a diameter of 0.8 ~ 2 cm. The skin is yellow-brown. The section is yellow-white to yellow-white, the cambium ring is brownish yellow, and the epidermis has yellowish-brown punctate resin channels, which are more and more obvious near the cambium ring, and the wood grain is slightly radial. The gas is slightly specific, and the taste is slightly bitter and sweet.

Sexual taste, sweet meridian, slightly bitter, cool. Heart, lung and kidney meridians.

Indications: benefiting qi and nourishing yin, clearing away heat and promoting fluid production. Can be used for treating qi deficiency and yin deficiency, asthenic heat fatigue, cough and asthma, excessive phlegm and blood, thirst due to internal heat, and dry mouth and throat.

Usage and dosage: 3 ~ 6g, decocted separately.

Be careful not to use it with Veratrum nigrum.