In rural areas; What is the scientific name of Laochangzi?

The old factory is Xanthium sibiricum. The height of Xanthium sibiricum, a former widow of Patrin, can reach 90 cm. The root is spindle-shaped, the lower part of the stem is cylindrical, the upper part has longitudinal grooves, the leaves are triangular, oval or heart-shaped, nearly entire, the edges have irregular coarse serrations, the upper part is green, the lower part is pale and strigose.

Male inflorescence spherical, involucral bracts oblong-lanceolate, receptacle columnar, stipules oblanceolate, corolla bell-shaped, anthers oblong-linear; The female head is oval, the outer involucral bracts are small, lanceolate, the beak is hard, conical, and the achene is obovate. It blooms in July-August and bears fruit in September-65438+10.

Extended data

Distribution: Mainly distributed in North and Central America, Europe, Asia and North Africa. Xanthium sibiricum is native to South America, and it is also cultivated and introduced in Dancheng, China.

Origin and habitat: Xanthium sibiricum naturally grows in plains, hills, low mountains, wilderness, roadsides, ditches, fields, grasslands and villages. Xanthium sibiricum likes to grow in places with soft and deep soil, sufficient water and fertile land, and its pH value is about 5. Improve soil permeability, improve soil fertility, and promote seed germination and nutrient absorption of xanthium sibiricum.

Baidu encyclopedia-xanthium sibiricum

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