AAU Herbarium Database

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Collector Baker, W.J.
Number 1498
Collected with Pedersen, D.; Rajaovelona, L.; Randriamahafehy, H.F.; Kintsy, A.; Botovazaha, D.;
Country Madagascar
Subpart Analanjirofo
County  
Locality Nosy Boraha (Iie Sainte-Marie). Kalalao
Coordinates 16° 54' 57.8'' S 49° 52' 42.5'' E
Minimum elevation (m) 81
Maximum elevation (m) 81
Start date 2024/05/16
End date 2024/05/16
Family Arecaceae
Identification Ravenea robustior Jum. & H.Perrier
Determined by  
Identification qualifier  
Field notes Massive, squat, solitary tree palm, with ea. 24 leaves in crown, forming shuttlecock-shaped crown. Visible stem 3 m up to the base of the lowest leaf sheath (other individuals seen to 10 m), height to top of leaf sheaths ea. 5 m, stem diameter ea. 40 cm. Leaf 4.5-5 m long including 1-1.5 m leaf sheath, stiff brown fibres on sheath margins. Leaflets 40-60 each side of rachis (based on several palms), regularly arranged, held almost flat (ea. 160 degree angle throughout).Inflorescence female (fruitirJg), branched to 1 order, nestling among leaf sheaths with peduncle mostly concealed by sheaths, rachis 80 cm long including terminal rachilla, ea. 60-70 rachillae, Degraded humid forest on quartzite ridgetop

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