| Collector | Balslev, H. |
| Number | 11739 |
| Collected with | Prateep Panyadee & Supalak Pumikong |
| Country | Thailand |
| Subpart | Phuket province, Katu district, Patong subdistrict |
| County | |
| Locality | Hill north of Patong overviewing the city in the distance, accessed by narrow 4-w trail from the east side of the mountain. Rather steep hill sides with dense forest and cleared undebrush, neighboring agroforestry clearing. |
| Coordinates | 7° 54' 56.72'' N 98° 18' 29.15'' E |
| Minimum elevation (m) | 400 |
| Maximum elevation (m) | 400 |
| Start date | 2026/06/14 |
| End date | 2026/06/14 |
| Family | Arecaceae |
| Identification | Calamus |
| Determined by | |
| Identification qualifier | |
| Field notes | Liana, 6–10 m long; infructescence on 3–4 m long peduncle, emerging among the upper leaves, hanging free of the plant; lvs 10–20 per stem; lamina flat, pinnae inserted regularly; cirrus lacking; petiole 50(+) cm with straight black spines; lamina 200 x 100 cm, flat; pinnae 50 per side. |
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