One of the spices sold in Chongqing is called Xiangguo, which is very commonly used in hot pot. Is it inferior nutmeg if the shell is removed and it looks like nutmeg?

It should be "grass fruit". Amomum tsaoko (scientific name: Amomum tsaoko) is the fruit of the cardamom plant of the Zingiberaceae family. It is also known as Amomum tsaoko and Amomum tsaoko. The dried fruit is oval in shape with three blunt edges, 2 to 4 cm long and 1 to 2.5 cm in diameter. There is a round protrusion at the top, and a fruit stalk is attached to the base. The surface is grayish brown to reddish brown, with obvious longitudinal grooves and ridges. It is hard in texture, and after being broken open, the inside is gray-white. The gas is weak, and when the seeds are broken, they emit a peculiar odor and have a pungent taste. The ones that are large, plump, reddish-brown in color and have a strong smell are preferred. From October to November, the fruits begin to mature and turn reddish-brown without cracking. They are harvested and sun-dried or dried over low heat. Distributed in Yunnan, Guangxi, Guizhou and other places in China. Mainly produced in Yunnan, Guangxi, Guizhou and other places.