Lonicera japonica, the Japanese honeysuckle or suikazura ( in Japanese; jinyinhua in Chinese; in Chinese and Japanese) is a species of honeysuckle native to eastern Asia including China, Japan and Korea. It is a twining vine able to climb up to high or more in trees, with opposite, simple oval leaves  long and broad. The flowers are double-tongued, opening white and fading to yellow, and sweetly vanilla scented. The fruit is a black spherical berry  diameter containing a few seeds.