What is the difference between caokou and doukou? A quick guide to telling them apart

Doukou is a traditional Chinese medicine; it is a perennial evergreen herbaceous plant in the ginger family, Alpinia genus, and its dried ripe fruit can be used as medicine. We sometimes hear the name caokou - is it the same as doukou? Below we introduce thedifference between caokou and doukou.

1. The difference between caokou and doukou

There is indeed a difference between caokou and doukou. Doukou is the general term for plants in the ginger family, Alpinia genus, including several kinds: caokou (cao doukou), roukou (hong doukou), and baikou (bai doukou). They have a subordinate relationship - caokou is subordinate to doukou.

2. What does doukou look like?

The doukou plant grows up to 3 m tall and resembles a banana plant; its leaves are linear-lanceolate, 50-65 cm long and 6-9 cm wide, hairless on both surfaces or rarely with very sparse coarse hairs on the leaf underside; the raceme is terminal and upright, up to 20 cm long, with a pale green rachis covered in coarse hairs; the flowers are pale yellow, the fruit is oblate-spherical, and the seeds resemble pomegranate seeds.

3. What benefits does doukou have?

The dried ripe fruit of doukou can be used as medicine; it is pungent in taste and warm in nature, with the effects of resolving dampness and moving qi, warming the middle and stopping vomiting, and stimulating appetite and aiding digestion. It is used for dampness-turbidity obstructing the middle, loss of appetite, the early stage of damp-warm disease, chest tightness with no desire to eat, cold-damp vomiting and counterflow, chest and abdominal distension and pain, and undigested food accumulation.