Chimonanthus praecox, also known as Chimonanthus praecox, also known as Jinmei, Chimonanthus praecox, Chimonanthus praecox, Mazz, Stone Herbal Tea, Tang Mei and Xiangmei, Latin names; Chimonanthus praecox ) link, wintersweet, wintersweet. Deciduous shrubs are traditional and precious ornamental flowers and trees, and are a specialty of China. They have a long cultivation history and rich wintersweet culture.
Extended data:
I. Morphological characteristics
Deciduous shrubs, up to 4 meters high; Often clustered. Leaves opposite, papery, elliptic-ovate to ovate-lanceolate, apex acuminate, entire, bud with many imbricate scales. Young branches are square, old branches are nearly cylindrical, gray-brown, hairless or sparse, with lenticels; Scale buds are usually inserted in the leaf axils of the second-year branches. The bud scales are nearly round, covered with tiles, and the outside is pubescent.
Leaves papery to sub-leathery, ovoid, ovate, sometimes oblong-lanceolate, 5-25 cm long and 2-8 cm wide, with a sharp tip to an acuminate tip, sometimes with a tail tip and a rounded base; There is no hair except sparse hair on the dorsal veins of leaves.
Peanuts are fragrant in the axils of the second year branches, with flowers first and leaves later, with a diameter of 2 ~ 4 cm; Perianth is round, rectangular, obovate, oval or spoon-shaped, 5-20mm long and 5- 15mm wide, without hair. The inner perianth is shorter than the outer perianth and has claws at the base.
Stamens are 4 mm long, filaments are longer than or equal to anthers, anthers are curved inward, glabrous, connective tips are short and pointed, and staminodes are 3 mm long; Carpels are hairy at the base, the style is three times as long as the ovary, and the base is hairy.
Receptacle is nearly lignified, altar-shaped or obovate, 2 ~ 5 cm long, 1 ~ 2.5 cm in diameter, with contracted mouth and drill-like and needle-like hairy appendages.
The leaves bloom first at the end of winter, and the flowers are solitary in the axils of annual branches, with short stalks and cup-shaped receptacle. Perianths are spirally arranged, yellow, waxy and fragrant. Flowering period 1 1 to March of the following year, there are many achenes, and the fruiting period is 4 to 1 1.
Second, geographical distribution.
Wild in Shandong, Jiangsu, Anhui, Zhejiang, Fujian, Jiangxi, Hunan, Hubei, Henan, Shaanxi, Sichuan, Guizhou and Yunnan provinces; It is cultivated in Guangxi, Guangdong and other provinces. Japan, Korea, Europe and the United States have introduced and cultivated.
Baidu encyclopedia-Chimonanthus praecox