What is wintersweet (Chimonanthus praecox)?

Chimonanthus Suxin is the most precious variety of Chimonanthus.

Chimonanthus Suxin is the most precious variety of Chimonanthus.

We can see its buds in late autumn and its golden flowers in winter.

Its flowering period is from December to January, and it has a strong aroma.

Wintersweet (Chimonanthus praecox) flowers bloom proudly in frost and snow cold days, with yellow like wax and strong fragrance.

It is the main ornamental flowers and trees in winter.

Here is the information about Chimonanthus Suxin.

1. Basic information of Chimonanthus Suxin

(1) Morphological characteristics

Chimonanthus chinensis is a deciduous shrub.

Its leaves are opposite and oval to ovate lanceolate.

Its flowers are placed in the leaf axils of the second-year-old branches, and flowers first and then leaves, fragrant, with a diameter of 2 ~ 4 cm.

Perianth segments are round, oblong, obovate, elliptic or spoon shaped, and glabrous.

The filaments are longer or equal in length than the anthers, and the anthers are curved and glabrous.

Its style is 3 times as long as the ovary, and the base is hairy.

Its fruit receptacle is nearly lignified, its mouth shrinks, and has subulate lanceolate hairy appendages.

(2) Distribution range

Wintersweet (Chimonanthus praecox) likes to grow in mountain forests.

Japan, North Korea, Europe and America are all introduced and cultivated.

(3) Growth habit

Wintersweet has strong adaptability and likes humid and sunny environment.

It is more resistant to cold, drought and semi shade.

Therefore, it is often said that the plain heart Chimonanthus praecox will not die in drought.

But it is afraid of wind and water.

It has strong branching force and is resistant to pruning.

It likes loose, deep and well drained neutral or slightly acidic sandy loam.

Its optimum growth temperature is between 10-15 ℃.

It is resistant to low temperature of – 15 ℃ in winter, but in case of low temperature below – 10 ℃ during flowering, the open flowers will be damaged by freezing.

2. Key values

(1) Medicinal value

Wintersweet (Chimonanthus praecox) has a wide range of medicinal uses.

Modern medical research shows that its flower buds can appetize and disperse depression, generate saliva and phlegm, activate blood circulation and detoxify.

Its root can treat jaundice.

The meat of its fruit has the functions of astringent lungs and intestines, killing insects and generating saliva.

Moreover, its fruit has obvious inhibitory effects on Escherichia coli, dysentery bacilli, typhoid bacilli, Pseudomonas aeruginosa and Vibrio cholerae.


Plum blossom mainly contains volatile oil, benzaldehyde, isolilac oil phenol and benzoic acid. Dark plum mainly contains citric acid and sitosterol, and hydrocyanic acid after ripening.

The decoction has inhibitory effects on Staphylococcus aureus, Escherichia coli, typhoid, paratyphoid, dysentery, tuberculosis and skin fungi.

(2) Edible value

Wintersweet (Chimonanthus praecox) has a slightly sweet and pungent taste and a cool nature. It has the effects of relieving summer heat, generating fluid, appetizing and dispersing depression, detoxifying and generating muscle and relieving cough.

It is mainly used to treat summer heat, dizziness, vomiting, fever, thirst, qi depression, stomach tightness, cough and other diseases.

People often use wintersweet (Chimonanthus praecox) flower fried water to drink and take for babies, which has the function of clearing away heat and detoxification.

(3) Economic value

Plum blossom can extract aromatic oil.

According to the different boiling points of aromatic oil and water, people use fractionation technology to extract aromatic oil and use it as food additives.

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