| Family | Orobanchaceae (also placed in Scrophulariaceae) |
| Scientific name | Melampyrum roseum Maximovicz var. japonicum Franchet et Savatier |
| Synonyms | Melampyrum ciliare Miquel; Melampyrum ciliare Miquel var. japonicum (Franchet & Savatier) Kitamura; Melampyrum jedoense Miquel var. luxurians Miquel; Melampyrum japonicum (Franchet & Savatier) Nakai ex Matsumovicz; Melampyrum japonicum (Franchet & Savatier) Soo; Melampyrum nemorosum L. var. japonicum Franchet & Savatier; Melampyrum roseum Maximovicz var. ciliare (Miquel) Nakai |
| Common name | (Japanese common name) mamako-na (ママコナ, 飯子菜 [meaning: rice grain weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea | |
| Habitat | Dry mountain forest |
| Chromosomal number | 2n=18 |
| Description | Plants 30-50cm. Leaves 3-6cm long, 1-2.5cm wide. Flowers purple or red corollas 16-18mm long, flowering in June to September. Annual plants. |
| Reference | Melampyrum roseum Maximowicz |
| Note | Bracts of Melampyrum roseum var. japonicum are obviously different from bracts of Melampyrum roseum. Melampyrum roseum also can be found at west of Kanto region in Japan. |
| September 2006 at mountane field |
September 2006 at mountane field |
September 2006 at mountane field |
| September 2006 at mountane field |
September 2006 at mountane field |