AAU Herbarium Database

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Collector Henderson, A.
Number 42
Collected with  
Country Costa Rica
Subpart Heredia
County  
Locality Provincia de Heredia, Finca La Selva on Rio Puerto Viejo just E of its junction with Río Sarapiquí. Starkey's woods
Coordinates    
Minimum elevation (m) 0
Maximum elevation (m) 0
Start date 1984/12/08
End date 1984/12/08
Family Arecaceae
Identification Iriartea deltoidea Ruiz & Pav.
Determined by Balslev,H.
Identification qualifier  
Field notes Trunk columnar, approx 15 m with 2 m cone of black stilt roots with spines, nearly vertical and very close together. Crownshaft green, 1.2 m long. Leaves 6. Petiole 30 cm, round in cross section. Rachis 3 m long, shaped, with 19 pairs of pinnae, 5-10 cm apart. Apical pinnae split into 4 sections. Pinnae split into 13-14 segments, the proximal the largest, the distal linear and pointing vertically from rachis. The largest 97 cm long. Inflorescences infrafoliar, 2 in fruit, 2 between pistillate and staminate anthesis, 1 long bud and several shorter ones. Peduncle round, 24 cm long, 6 cm diam, with 13 bract scars. Rachillae 37, proximal 10 bifurcate, 8 mm in diam, 1 m long. Pistillate buds borne in 7 spirally arranged series round rachillae, with buds all the way to tips of rachillae. Weevils inside bud. Fruit globose, 2.8 mm x 2.8 mm.

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Display map with the 90 georeferenced records of Iriartea deltoidea in the AAU Herbarium Database.

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