AAU Herbarium Database

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Collector Byg, A.
Number 25
Collected with  
Country Madagascar
Subpart TOAMASINA
County  
Locality Prefecture Fenoarivo Atsinanana, Sub-prectureVavatenina, Ambinany Namantoana forest, ca. 10 km south-southwest of the village Manakambahiny 1, Buffer zone no. 10 for the Zahamena strict nature reserve (Réserve Naturelle Intégrale) and the Zahamena national park, protected area with controlled extraction of forest products, closed forest with undergrowth, steep slope.
Coordinates 17° 39' S 48° 57' E
Minimum elevation (m) 660
Maximum elevation (m) 660
Start date 1998/10/25
End date 1998/10/25
Family Arecaceae
Identification Ravenea albicans (Jum.)Beentje
Determined by  
Identification qualifier  
Field notes Solitary tree; trunc 10 m high, straight, unarmed, often surrounded by zigzag roots from other plants, upper 3 m covered with old leaf sheaths; wood consists of an outer cream coloured layer, 0.5 cm thick, inner dark brown to black core interspersed with white fibres; dbh 12.7 cm; internodes 10 cm; leaf scars obscure; crown with 15 leaves, marcescent, litter trapping; leaf sheath open, 80 cm long, 20 cm wide, green, covered with light brown scales; petiole green, 50 cm long, adaxially flat to slightly channeled, abaxially round and covered with light brown scales in patches forming stripes; rachis green, 300 cm long, adaxial side flat to ridged, abaxially round and covered with light to dark brown scales; leaves pinnate, reduplicate, regularly arranged at a distance of 10 cm, length of the central pinnae 67 cm, adaxially glabrous dark green, abaxially white-brown; inflorescence interfoliar, branched to 1st order, 15 branches which are 35 cm long; peduncle 98 cm long; uses: palm heart eaten, edible grubs collected from rotting wood, leaves used to thatch roofs; local name: Romelatra or Hovotsiketry.

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