| Family | Betulaceae |
| Scientific name | Corylus heterophylla Fischer ex Trautvetter var. thunbergii Blume |
| Synonyms | none |
| Common name | (Japanese common name) hashimbami [hazel] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) none | |
| Chromosomal number | 2n=22 |
| Description | Leaves 6-12cm length. Flowers flowering in March to April. Deciduous. Shrub. |
| Reference | Corylus heterophylla Fisch. ex Trautv. var. thunbergii Blume |
| Corylus heterophylla Fischer ex Trautvetter | |
| Note | Flora of China describes that Corylus heterophylla Fischer ex Trautvetter var. thunbergii Blume is a synonym of Corylus heterophylla Fischer ex Trautvetter (syn. Corylus avellana L. var. davurica Ledebour). |
| February 2007 at Ibaraki Prefecture Botanical Garden |
February 2007 at Ibaraki Prefecture Botanical Garden |
February 2007 at Ibaraki Prefecture Botanical Garden |
| February 2007 at Ibaraki Prefecture Botanical Garden |
February 2007 at Ibaraki Prefecture Botanical Garden |
| February 2007 at Ibaraki Prefecture Botanical Garden |
| December 2007 at Ibaraki Prefecture Botanical Garden |
December 2007 at Ibaraki Prefecture Botanical Garden |
December 2007 at Ibaraki Prefecture Botanical Garden |