| Collector | Baker, W.J. |
| Number | 1120 |
| Collected with | Roy Banka, Kathleen King, Olo Gebia, Ziggy Boru |
| Country | Papua New Guinea |
| Subpart | Southern Highlands |
| County | |
| Locality | Erave District Side of road to Gobe oil rigs, 91km NW of Kikori. Montane forest on limestone karst ridgetop, numerous cliffs and sinkholes |
| Coordinates | 6° 46' 45.7'' S 143° 43' 59'' E |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 2000/11/27 |
| End date | 2000/11/27 |
| Family | Arecaceae |
| Identification | Calamus oresbius W.J.Baker & J.Dransf. |
| Determined by | A. Henderson |
| Identification qualifier | |
| Field notes | Clustering, slender rattan to c.5m. Internodes 1520cm. Stem diam. with sheaths 2cm, without sheaths 1cm. Sheath pale yellow-green with very short, black, upward-pointing spines. Leaf with short rachis, 15cm long including c.10cm petiole, rachis pale yellow with black spines. Leaflets 5 each side of rachis. Inflorescence 200cm long including peduncle of 110cm, 3 partial inflorescences. Staminate flower buds black-purple |
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