AAU Herbarium Database

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Collector Baker, W.J.
Number 1334
Collected with Tim Utteridge and Deby Arifiani
Country Indonesia
Subpart Papua
County  
Locality Biak Island. Forest around road (Jalan Manwaref) cutting through ridge. Primary rainforest on limestone ridge. Soils thin or absent. Much exposed limestone and many sink holes.
Coordinates 1° 10' 20.4'' S 136° 10' 49.7'' E
Minimum elevation (m) 90
Maximum elevation (m) 90
Start date 2009/07/21
End date 2009/07/21
Family Arecaceae
Identification Calamus heteracanthus Zipp. ex Blume
Determined by W.J.Baker
Identification qualifier  
Field notes Clustering rattan to ca. 3m. Stem including sheaths 2cm diam., without sheaths ca. 1cm, internodes 20-25cm. Sheath with collars of yellow-orange spines, grey-white indumentum and spine shadows. Leaf ca. 1.5cm including 1.5cm petiole, subcirrate. Leaflets subregularly arranged, prominently ribbed. Inflorescence erect, ca. 2m long, with ca. 7 partial inflorescences. Staminate buds yellow.

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