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| May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
| Family | Cornaceae |
| Scientific name | Helwingia japonica (Thunberg ex Murray) F. Dietrich var. japonica |
| Synonyms | Helwingia japonica (Thunberg ex Murray) F. Dietrich var. szechuanensis (W. P. Fang) W. P. Fang & T. P. Soong; Helwingia rusciflora Willdenow; Helwingia szechuanensis W. P. Fang; Osyris japonica Thunberg |
| Common name | (Japanese common name) hana-ikada [flowering rafts] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (southern region), Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) China, Taiwan | |
| Chromosomal number | 2n=114 |
| Description | Plants 1-2m. Leaves 6-12cm length. Flowers green, flowering in May to June. Deciduous. Shrub. |
| Reference | Helwingia japonica (Thunb.) F. Dietr. |
| Helwingia japonica var. japonica | |
| A Reservation of the Genus Helwingia |
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| May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
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| May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
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| July 2005 at Ushiku Forest Park |
