| Collector | Henderson, A. |
| Number | 3525 |
| Collected with | Bui Van Thanh, Nguyen Huu Hoa & Nguyen Khuong Lap |
| Country | Vietnam |
| Subpart | Thua Thien-Hue |
| County | |
| Locality | Phong Dien District, Phong Dien Nature Reserve, disturbed forest by stream margin, nonlimestone area |
| Coordinates | 16° 34' 37'' N 107° 13' 55'' E |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 2009/03/05 |
| End date | 2009/03/05 |
| Family | Arecaceae |
| Identification | Calamus crispus A.J.Hend., N.K.Ban & N.Q.Dung |
| Determined by | |
| Identification qualifier | |
| Field notes | Stems clustered, 5 m tall, less than 1 cm diameter. Sheaths green with few spines; pinnae 7 per side of the rachis, in distant groups of 1-2 pinnae, these spreading in different planes and curved over at the apex. V.n. "may tat" |
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