| Collector | Iwatsuki, K. |
| Number | 238 |
| Collected with | H. Takasu, S. Mitsuta, H. Terao & N. Fukuoka |
| Country | Japan |
| Subpart | Ryukyu |
| County | |
| Locality | Isl. Tokunoshima: Mt. Inokawa-dake, Ooshima-gun, Kagoshima Prefecture |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1975/08/24 |
| End date | 1975/08/24 |
| Family | Hydrangeaceae |
| Identification | Hydrangea scandens var. grosseserrata (Engl.) Hatusima. |
| Determined by | |
| Identification qualifier | |
| Field notes | |
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