How does dandelion spread seeds?

Xanthium sibiricum is driven by small animals.

Peas are ejected by their own explosions.

Dandelion (Latin name: dandelion hand. -Maz. ) is a perennial herb of Compositae. The root is conical, the surface is brown and shriveled, the leaf margin sometimes has wavy teeth or pinnately parted, the base gradually narrows into a petiole, the petiole and main vein are often reddish purple, the upper part of the scape is purple, and it is densely covered with spider filiform white villous; Head, involucre bell-shaped, achene dark brown, long crown hair white, flowering and fruiting period from April to 10.

Dandelion is also known as yellow flower Xiaoding, mother-in-law, flower flower lang and so on. Perennial herbs of Compositae. A flower head with white crown hairs on its seeds, which floats to a new place with the wind after flowering and breeds new life.

Patrin ex widder of Xanthium sibiricum (Latin scientific name: Patrin ex widder of Xanthium sibiricum) (Erya) Alias: Yaner (Classic of Materia Medica), Sticky-headed Woman, Matou (Guangzhou), Xanthium sibiricum (Sichuan, Yunnan, Henan, Shandong, Shanxi, Northeast China), Laocangzi (Liaoning, Jiangxi, Hebei) and Wild Eggplant.

It is a dry and mature fruit of Xanthium in Compositae with involucre. Annual herb, up to 1 m. The whole plant has its toxicity, especially the fruit, especially the seed. Native to America and East Asia, widely distributed in most parts of Europe and parts of North America; Born on hillsides, grasslands and roadsides. China is widely distributed.

Pea (Pisum sativum L.) and (Pea, Field Pea, Garden Pea) are annual climbing herbs, which are planted in spring or perennial in autumn, so they are named after their climbing stems. Round ones are also called honey beans or honey beans. There are many nicknames for the flat body, including mung bean, snow bean, bean, Huai bean, Ma bean, mung bean, Liu bean, Jin bean, Hui bean, Mai bean, Mai bean, Bi bean, Ma Lei and Guo bean.

Peas belong to Leguminosae, Leguminosae and Pisum, and belong to long-term cold-season beans. When seeds emerge in the field, cotyledons leave the soil, and chromosome 2n= 14.

Pea originated in West Asia, Mediterranean region, Ethiopia, western Asia Minor and Transcaucasia thousands of years ago. Iran and Turkmenistan are the second origin centers. In Central Asia, the Near East and North Africa, there is also a wild pea, Mediterranean pea. This species is fertile by crossing with the pea cultivated now, which may be the original type of modern pea. The distribution of wild species also proves the reliability of pea origin center.

As human food and animal feed, pea is the fourth largest soybean crop in the world. China is the second largest pea producer in the world after Canada, and occupies a decisive position in the world pea production.