Ophiopogon japonicus, also known as pueraria lobata, pueraria lobata, rehmannia glutinosa, immortal, etc. It belongs to the family Ophiopogonidae of the subclass Rosaceae, a dicotyledonous plant. This family is distributed in Taiwan Province, Guangdong, Jiangxi, Hubei, Sichuan, Guizhou, Yunnan, India and Thailand in China, and is often mistaken for a fungal plant. It is usually found in bamboo forests or broad-leaved forests on hillsides at an altitude of1000 ~ 2,000 meters, parasitic on the roots of plants such as rhododendron and Castanea henryi.
Perennial parasitic succulent herb of Agkistrodon halys. Male plant height 10-30 cm, female plant height 5- 10 cm. Rhizomes are thick, spherical or massive, irregularly divided and yellow-brown. The flower stems are yellow-brown, with many oval or ovoid scales, which are nearly alternate. Spikes are terminal, with unisexual flowers, dioecious, male inflorescence length 10 cm, female inflorescence oval, length 1.5-3 cm.
Agkistrodon acutus is a dioecious (inflorescence unisexual) plant with many thick rhizomes gathered together. There is no chlorophyll. The stems are slender, with a diameter of 0.5 ~ 0.9 cm, and the leaves degenerated into scales are planted from the lower part of 1/3 to 2/3. Leaves are alternately opposite or nearly opposite, or spirally arranged, and some are imbricate when nearly opposite. The male inflorescence is oval with bracts under the male flowers. Bracts fuse with each other to form many hexagonal nests. From the bottom of the nest, there are male flowers with peduncles, and the perianth segments are 3-radix. Anthers form flat aggregated drugs, which are transversely dehiscent. The female inflorescence is nearly spherical or oval, the rod-shaped body is inverted conical, the top is truncated, and the length is 3 ~ 4 times as wide; Female flowers are only inserted on the main axis of inflorescence.
Snake venom can be used as medicine, decocted to relieve hangover, ground into powder and mixed with sesame oil for external use to treat proctoptosis.
Medicinal materials can clear away heat and toxic materials, cool blood and stop bleeding. Picking in summer, washing and drying. Used for cough and hematemesis, blood collapse, hemorrhoid swelling and pain, finger furuncle.
Bitter, astringent, cold and toxic.
If you don't know the medicine, you'd better not take it without authorization. You can dig it up and sell it to the drugstore.