Gardneria multiflora () is a species of flowering plant belonging to the family Loganiaceae. It is native to North Central China, South Central China, Southeast China, Japan, and Taiwan.
It grows as a creeper in dense forests in its natural habitat. It has uses as a medicinal plant, especially the roots and leaves.
Alkaloids believed to have been identified include 18-Demethoxygardfloramine & 18-Demethoxygardneramine.