What is the name of this prickly plant? Which warrior knows?

Xanthium sibiricum: The dried and mature fruit of Xanthium sibiricum in Compositae with involucre. Annual herb, up to 1 m. All the grass has its toxicity (kaurene glycoside), especially the fruits, especially the seeds. Native to America and East Asia, widely distributed in most parts of Europe and parts of North America; In the wild on hillsides, grasslands, roadsides, etc. , distributed all over China.

Morphological characteristics:

Xanthium sibiricum (original variety) is panicum miliaceum with a height of 20~90 cm. Roots fusiform, branched or unbranched. The stem is erect, with no or few branches, the lower part is cylindrical, with a diameter of 4~ 10 mm, and the upper part has longitudinal grooves, which are gray and rough. The leaves are triangular, ovate or heart-shaped, 4-9 cm long and 5- 10 cm wide, nearly entire, or 3-5 inconspicuously lobed, with sharp or blunt tip, slightly heart-shaped or truncated base, forming an equiwedge shape at the joint with petiole, with irregular rough serrations at the edge, three base veins, arc-shaped lateral veins, reaching the leaf margin, and densely covered with strigose on the veins. The petiole is 3- 1 1 cm long.

Male inflorescence is spherical, 4~6 mm in diameter, with or without peduncle, involucral bracts are oblong-lanceolate, 1~ 1.5 mm long, pubescent, receptacle columnar, stipules oblanceolate, about 2 mm long, apex pointed, many male flowers, corolla bell-shaped, with 5 broad lobes at the upper end of the tube; Anthers oblong and linear; The female head is oval, the outer involucral bracts are small, lanceolate, about 3 mm long, pubescent, and the inner involucral bracts are saccate, broadly oval or oval, green, yellow-green or sometimes reddish brown.

Achene becomes hard when it matures, with beak length12 ~15mm and width of 4 ~ 7mm. It is very thin and straight with sparse barbs outside, slightly thickened or hardly thickened at the base, long1-1.5mm, hairy at the base, often with glandular points, or none at all. The beak is hard, conical, slightly sickle-shaped at the upper end, 2.5 mm long, often unequal in length, and rarely combined into 1 beak. Achenes 2, obovate. The flowering period is July-August, and the fruiting period is 9-65438+1October.

reference data

Baidu encyclopedia. Baidu Encyclopedia [reference time 20 17- 12-22]