What is "apoballis"

Apoballis is a genus of plants in the Araceae. It is native to Southeast Asia, primarily the Island of Sumatra in Indonesia. Some authorities regard this group as part of the larger genus Schismatoglottis.

1. Apoballis acuminatissima (Schott) S.Y.Wong & P.C.Boyce - Sumatra
2. Apoballis belophylla (Alderw.) S.Y.Wong & P.C.Boyce - Sumatra
3. Apoballis brevipes (Hook.f.) S.Y.Wong & P.C.Boyce - Sumatra, Thailand, Peninsular Malaysia
4. Apoballis grandiflora (Alderw.) S.Y.Wong & P.C.Boyce - Sumatra
5. Apoballis hastifolia (Hallier f. ex Engl.) S.Y.Wong & P.C.Boyce - Sumatra
6. Apoballis javanica (Engl.) S.Y.Wong & P.C.Boyce - Java
7. Apoballis longicaulis (Ridl.) S.Y.Wong & P.C.Boyce - Sumatra
8. Apoballis mutata (Scort. ex Hook.f.) S.Y.Wong & P.C.Boyce - Myanmar, Sumatra, Thailand, Peninsular Malaysia
9. Apoballis okadae (M.Hotta) S.Y.Wong & P.C.Boyce - Sumatra
10. Apoballis ovata (Schott) S.Y.Wong & P.C.Boyce - Sumatra
11. Apoballis rupestris (Zoll. & Moritzi) S.Y.Wong & P.C.Boyce - Sumatra, Java, Bali, Lombok, Timor
12. Apoballis sagittifolia (Alderw.) S.Y.Wong & P.C.Boyce - Sumatra