Liriodendron is a perennial herb of Liliaceae. Its plant height can reach 65,438+0 meters, and it is stout at ordinary times. Its leaves are oval, oval or oval-lanceolate, 22-25 cm long and 65,438 00 cm wide.

Lu Li was born in hillside forest or grass at an altitude of 1200-3300m, and distributed in Northeast China, North China, Shaanxi, Gansu, Shandong, Henan, Hubei, Sichuan, Guizhou and other places.

It has medicinal functions, and its roots and rhizomes are bitter, bitter, cold and toxic. It can also be used to kill maggots and flies.

Extended data

chemical composition

Contains a variety of steroidal alkaloids, such as neutral alkali, pseudoneutral alkali, verapamil, etc. 15 alkaloids were isolated from the whole plant, including veratrine, mustard alkaloid and neopalmitin. In addition, it also contains acetyl resveratrol A, resveratrol A, cimetidine A, diddeacetyl resveratrol A, verapamil, veratrine, etc.

Lulu is a kind of Chinese herbal medicine with strong medicinal properties. Its extract and liquid medicine obtained after soaking have obvious toxic effects on mosquitoes, flies, fleas and other pests. When mosquitoes are rampant in summer, land separation can be used appropriately, which can drive away mosquitoes as soon as possible and reduce its impact on human life.

The mechanism of action is that after entering the digestive system through epidermis or sucking, it causes local stimulation and excites reflective insects. The sensory nerve endings of insects are inhibited first, and then the central nervous system is inhibited, resulting in the death of pests.

Although Liriodendron chinense has high medicinal value, it has certain toxicity, and there are certain taboos when taking it. Not taking too much is its biggest taboo. People will be poisoned if they take more than 5 grams at a time.

Baidu encyclopedia-Lu Li

Baidu encyclopedia-Veratrum nigrum