English name: Leafy Spurge
Family name: Euphorbiaceae
Alias:
Ragweed, rotten scar eye (commonly known as), North China Euphorbia (Qinling flora), Xinjiang Euphorbia (China desert flora), Taroko Euphorbia (Taiwan Province flora), Minxian Euphorbia (Yunnan flora), Northeast Euphorbia, Pine leaf Euphorbia, Broadleaf Euphorbia (Northeast herbaceous flora) and Milk Grass (Beijing flora).
Perennial herb, 15-40 cm tall, with white emulsion. The stem is erect, and the lower part is lavender; Short branches or vegetative leaves are dense, linear and oblanceolate; Leaves on long branches or flower stems are alternate, oblanceolate or linear-lanceolate, with a length of1-3.5cm and a width of 0.2-0.8cm, and the tip is blunt, slightly concave or slightly convex. Divergent cymes are terminal, usually 3-5 branches are umbrella-shaped, and each peduncle branches 2-3 times; Involucral bracts are opposite, semicircular, and mucronate at the top; The cup-shaped involucre is 4-lobed at the top, with 4 glands, crescent-shaped between lobes and short horns at both ends. Capsule hairless; Seeds grayish brown or with brown spots, ca. 2 mm. The flowering period is April, and the fruit maturity is May.
It is wild on mountainsides or roadsides; Distributed in East China, Northeast China and Southwest China.
Seeds contain about 35% industrial oil; Chop up the whole grass and put it in a septic tank to kill maggots. This species is a poisonous plant included in the plant atlas database of China, and its toxicity is toxic to the whole grass. Eating by mistake will corrode the gastrointestinal mucosa, vomiting first and diarrhea later. Poisonous mice, finches, mosquitoes, their larvae and maggots.