| Family | Araceae |
| Subfamily | Aroideae |
| Tribe | Arisaemateae |
| Scientific name | Arisaema serratum (Thunberg) Schott var. mayebarae (Nakai) Ohashi et J. Murata |
| Synonyms | Arisaema mayebarae Nakai; Arisaema takesimense Nakai |
| Common name | (Japanese common name) hitoyoshi-ten-nan-shou (ヒトヨシテンナンショウ, 人吉天南星 [meaning: Hitoyoshi Arisaema (Hitoyoshi = a local area in Kyushu)]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Kumamoto Prefecture, Miyazaki Prefecture, Kagoshima Prefecture, mainly Mt. Aso) |
| (Other nations) none | |
| Chromosomal number | 2n=28 |
| Description | Flowers spathes ca. 20cm long, flowering in March to May. Perennial plants. |
| Reference | International Aroid Society: The Arisaema Species |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |
| April 2006 at Mt. Aso |
April 2006 at Mt. Aso |