Helianthus tuberosus he·liant·hus·tuberosus uncommon noun 1. tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers SynonymsJerusalem artichokegirasolJerusalem artichoke sunflowerHelianthus tuberosus Related words Broader terms sunflower Part of Jerusalem artichoke WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
