What is "heloniopsis"

Heloniopsis is a genus of plants in the Melanthiaceae, first described as a genus in 1859. It is native to east Asia ( Japan, Taiwan, Korea, Sakhalin Island in Russia).

1. Heloniopsis kawanoi (Koidz.) Honda - Nansei-shoto
2. Heloniopsis koreana Fuse, N.S.Lee & M.N.Tamura - Korea
3. Heloniopsis leucantha (Koidz.) Honda - Nansei-shoto
4. Heloniopsis orientalis (Thunb.) Tanaka - Korea, Sakhalin, Japan
5. Heloniopsis tubiflora Fuse, N.S.Lee & M.N.Tamura - Korea
6. Heloniopsis umbellata Baker - Taiwan