| Collector | Henderson, A. |
| Number | 3558 |
| Collected with | Bui Van Thanh, Nguyen Thien Vu & Coor Tuo |
| Country | Vietnam |
| Subpart | Quang Nam |
| County | |
| Locality | Nam Giang District, Tah Bing commune, Song Tanh Nature Reserve, road 14 D to Laos |
| Coordinates | 15° 39' 36'' N 107° 39' 54'' E |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 2009/03/11 |
| End date | 2009/03/11 |
| Family | Arecaceae |
| Identification | Calamus tetradactylus Hance |
| Determined by | |
| Identification qualifier | |
| Field notes | Stems clustered, 10 m tall, 1 cm diameter, green, with few yellow spines; knees present; ocreas present; flagella present, petioles 10 cm long; rachis 60 cm long with 11 pinnae per side, the apical pair joined for more than half their length; inflorescences shortly flagellate. v.n. "may cam" |
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