Machaeranthera mac·hae·rant·hera uncommon noun 1. wildflowers of western North America Synonymsgenus Machaeranthera Related words Word family Machaeranthera bigeloviiMachaeranthera tanacetifoliaMachaeranthera tortifoloia Broader terms asterid dicot genus Parts Compositae Part of tahoka daisysticky asterMojave aster WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.