You selected Daemonorops grandis var. megacarpus Furtado. This is a synonym for:

Accepted scientific name:
Daemonorops grandis (Griff.) Mart. (accepted name) 1 literature reference for Daemonorops grandis (Griff.) Mart.
Synonyms:
Calamus acanthopis Griff. (synonym) 1 literature reference for Calamus acanthopis Griff.
Calamus grandis Griff. (synonym) 1 literature reference for Calamus grandis Griff.
Calamus intermedius Griff. (synonym) 1 literature reference for Calamus intermedius Griff.
Daemonorops grandis var. megacarpus Furtado (synonym) 1 literature reference for Daemonorops grandis var. megacarpus Furtado
Daemonorops intermedia (Griff.) Mart. (synonym) 1 literature reference for Daemonorops intermedia (Griff.) Mart.
Daemonorops kirtong Griff. (synonym) 1 literature reference for Daemonorops kirtong Griff.
Daemonorops laciniata Furtado (synonym) 1 literature reference for Daemonorops laciniata Furtado
Daemonorops malaccensis Mart. (synonym) 1 literature reference for Daemonorops malaccensis Mart.
Palmijuncus grandis (Griff.) Kuntze (synonym) 1 literature reference for Palmijuncus grandis (Griff.) Kuntze
Palmijuncus intermedius (Griff.) Kuntze (synonym) 1 literature reference for Palmijuncus intermedius (Griff.) Kuntze
Palmijuncus malaccensis (Mart.) Kuntze (synonym) 1 literature reference for Palmijuncus malaccensis (Mart.) Kuntze
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Arecales
Family Arecaceae
Genus Daemonorops
Distribution: Pen. Thailand to Pen. Malaysia
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 11-Nov-2003
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=55732&repSynonym_id=-9998&name_id=55732&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:278b4118-60a7-102d-be47-00304854f810:ac2010