Honeysuckle, blooming in March, five, slightly fragrant, with reddish, open flowers are white, one or two days after the color yellow, named honeysuckle. Because of a kind of two pedicle, flower in the exploration, in pairs, a male and female companions, but also inseparable, like Yuanyang Yuanyang contredanse, so called vine.
The most obvious feature of this species is a large leaf shaped bract. It is somewhat like Southern China honeysuckle in appearance, but the bract of that species is narrow and thin, not leaflike, and calyx tube densely pubescent, branchlets densely curly pubescent, and this species is obviously different from this species. The morphological variation of this species is very large. No matter in the branches and leaves, the shape and size of the leaves, the length of the corolla, the proportion of the quilt and the length of the lip to the tube are greatly changed. But all of these changes seem to be more associated with the ecological environment and do not show the correlation with geographical distribution.
Honeysuckle has been known as a good medicine for clearing heat and detoxifying since ancient times. It is cold sweet fragrance, sweet cold heat and do not hurt the stomach, aromatics and remove of evil. Honeysuckle can disperse the heat, but also good clear solution for a variety of toxic blood, fever, such as fever, rash, hair spot, heat sore carbuncle, sore throat and other symptoms, have significant effect.