Vallisneria spiralis val·lis·ne·riaspiralis uncommon noun 1. submerged aquatic plant with ribbonlike leaves; Old World and Australia Synonymstape grasseelgrasswild celeryVallisneria spiralis Related words Broader terms aquatic plant Parts Vallisneria WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
