betel palm

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A tall tropical Asian palm (Areca catechu) with large pinnate leaves, cultivated for its seeds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An Asiatic palm, Areca catechu, whose seeds are betel nuts

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun southeastern Asian palm bearing betel nuts (scarlet or orange single-seeded fruit with a fibrous husk)