| Collector | Larsen, K. |
| Number | 43022 |
| Collected with | S. S. Larsen, S. S. Renner, C. Niyomdham, W. Ueachirakan & P. Sirirugsa |
| Country | Thailand |
| Subpart | NARATHIWAT |
| County | |
| Locality | Pong Pong waterfal. Evergreen forest along waterfall. |
| Coordinates | 6° 38' N 101° 14' E |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 200 |
| Start date | 1992/06/19 |
| End date | 1992/06/19 |
| Family | Arecaceae |
| Identification | Calamus siamensis Becc. |
| Determined by | Dransfield, J. (K), 1994. |
| Identification qualifier | |
| Field notes | Clustering rattan climbing to 6 m. Internodes 10 cm long. Diameter of stems with sheaths 2.0 cm, without 1.0 cm. Leaves ecirrate, on climbing stems 65 cm long, with 40 regularly spaced pinnae on each side of the rachis. Petiole 3 cm long. Leaves of acaulescent shoots with pinnae irregularly arranged in groups of 6 to 10. Infructescens 1.5 m long, with 6 partial infruct. Specimen should be cited as A. Bogh 43022. |
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