1, different shapes:

Amomum villosum: the middle leaves are long and lanceolate, the upper leaves are linear, the top and tail are pointed, the two sides are smooth and hairless, the tongue is semicircular, the spikes are oval, the total pedicel is brown, and it is short fluff.

Amomum villosum: the tip and tail are sharp, the base is nearly round, and both sides are smooth and hairless, sessile or nearly sessile; Ligule semicircular, 3-5 mm long; There is a concave grid on the leaf sheath.

2. Different distribution areas:

Amomum villosum: distributed in China, Fujian, Guangdong, Guangxi and Yunnan; Cultivated or wild in shady and humid places in mountainous areas.

Amomum villosum: mainly produced in Luodian, Zhaotong, Dali, Yibin, Sichuan and Luzhou.

Extended data:

raw material

Amomum villosum seeds contain volatile oil, which contains bornyl acetate, camphor, camphene, limonene, β-pinene, nerolidol, α-pinene, camphene, eucalyptol, linalool, α-piperene, guaiacol and so on. It also contains flavonoids.

The seed contains about 1.7-3% of volatile oil. The main components of the oil are d-camphor, borneol, acetic acid, borneol, menthol, nerolidol (C 15H26O) and so on.

Seed of Elaeagnus angustifolia contains volatile oil 1.7%-3%, and its main components are d-camphor, d-borneol, bornyl acetate, linalool, neroli tertiary alcohol and a terpene.

The volatile oil of Amomum villosum leaves is similar to that of seeds, and contains borneol, bornyl acetate, camphor, limonene and other components, and also contains 0.69% saponin. The leaves contain volatile oil, and the components are very complex, mainly limonene, linalool, bornyl acetate and so on.

Baidu encyclopedia _ Amomum villosum

Baidu Encyclopedia _ Xiangsha