genus Brachycome ge·nusb·rac·hycome uncommon noun 1. mostly Australian herbs having basal or alternate leaves and loosely corymbose flower heads SynonymsBrachycomegenus Brachycome Related words Broader terms asterid dicot genus Parts Compositae Part of Swan River daisy WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.