| Collector | Barfod, A.S. |
| Number | 45199 |
| Collected with | W. Ueachirakan, T. Burholt, S. Barrow |
| Country | Thailand |
| Subpart | PETCHBURI |
| County | |
| Locality | Kaengkrachan National Park. |
| Coordinates | 12° 54' N 99° 20' E |
| Minimum elevation (m) | 500 |
| Maximum elevation (m) | 750 |
| Start date | 1994/02/05 |
| End date | 1994/02/05 |
| Family | Arecaceae |
| Identification | Calamus gracilis subsp. gracilis |
| Determined by | A. Henderson |
| Identification qualifier | |
| Field notes | Climbing rattan. Leaf sheaths green. Spinnes triangular and green. Leaf petiole 9 cm. Rachis about 40 cm long. Pinnae 2 X 5, whitish below. |
|