1, cinnamon (scientific name: Yugui (Bauch). Ham. Nees et eberm) is a general name for Cinnamomum plants in Lauraceae, such as Tenjikukatsura, Cinnamomum cassia, Cinnamomum cassia or Cinnamomum cassia. This product is edible spice or cooking seasoning. The original plants of commercial Cinnamomum cassia are complex, and there are about ten species, all of which are Cinnamomum plants of Lauraceae.

2, fragrant leaves, Chinese medicine name. It is the stem and leaf of geranium geranium. Originated in southern Africa, it is cultivated all over China.

3. Kaempferia Kaempferia, alias: Alpinia officinarum, Trigemma, Shanla, a perennial herb, is the rhizome of Kaempferia Kaempferia. Ginger. Rhizomes are thick, solitary or continuous, light green or greenish-white, fragrant; Distributed in Guangdong, Guangxi, Yunnan, Taiwan Province and other provinces, cultivated.

4. Pepper. It is a small deciduous tree belonging to Rutaceae and Zanthoxylum. Spines on stems as high as 7 meters often fall early, with short thorns on branches and small leaves on leaves, and leaf axes often have very narrow wings; Small leaves are opposite, sessile, ovoid, oval, sparsely lanceolate, with large top of leaf axis, finely divided teeth on the leaf margin and oil spots on the teeth.

5. Evergreen trees. Leaves alternate, leathery, rectangular, acute at the apex, entire, dark green. Racemes, axillary, unisexual, dioecious, corolla yellow and white. The fruit is pear-shaped, light yellow or orange yellow. When it matures, it splits into two petals, revealing a crimson aril called "nutmeg", which contains 1 seed and is called "nutmeg". The seed coat is reddish brown and the wood is hard. The flowering period is from February to March.