| Collector | Henderson, A. |
| Number | 3579 |
| Collected with | Bui Van Thanh, C. Peters, Nguyen Thien Vu & Coor Tuo |
| Country | Vietnam |
| Subpart | Quang Nam |
| County | |
| Locality | Nam Giang District, Tah Bing commune, Song Tanh Nature Reserve, road 14 D to Laos |
| Coordinates | 15° 39' 25'' N 107° 35' 59'' E |
| Minimum elevation (m) | 412 |
| Maximum elevation (m) | 412 |
| Start date | 2009/03/14 |
| End date | 2009/03/14 |
| Family | Arecaceae |
| Identification | Calamus crispus A.J.Hend., N.K.Ban & N.Q.Dung |
| Determined by | |
| Identification qualifier | |
| Field notes | Stems clustered, 3 m tall. Sterile plants |
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