Pyxidanthera py·xi·dant·hera uncommon noun 1. 1 species: pyxie; the eastern United States Synonymsgenus Pyxidanthera Related words Word family Pyxidanthera barbulata Broader terms dilleniid dicot genus Parts Diapensiaceae Part of pyxie WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.