Holostemma
Holostemma is a genus of flowering plants in the family Apocynaceae. The genus was first described in 1810. As presently constituted, the genus contains only one known species, Holostemma ada-kodien, native to southern Asia.
;formerly included
- Holostemma chilense, syn of Cynanchum chilense
- Holostemma laeve, syn of Vincetoxicum laeve
- Holostemma pictum, syn of Graphistemma pictum
- Holostemma sinense, syn of ''Metaplexis hemsleyana''