| Collector | Henderson, A. |
| Number | 3375 |
| Collected with | Bui Van Thanh, Vo Cong Anh Tuan, Phay Van Phuoc & Vu Ba Hung. |
| Country | Vietnam |
| Subpart | Nghe An |
| County | |
| Locality | Pu Mat National Park, Ban Lo, forest on steep slopes. |
| Coordinates | 18° 57' N 104° 49' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 100 |
| Start date | 2007/05/14 |
| End date | 2007/05/14 |
| Family | Arecaceae |
| Identification | Calamus henryanus Becc. |
| Determined by | A. Henderson |
| Identification qualifier | |
| Field notes | Stems clustered, climbing. Local name: “may” |
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