red Clintonia redc·lin·to·nia uncommon noun 1. plant with nearly leafless stalk topped by an umbellike cluster of red or reddish lavender flowers; California to Oregon Synonymsred ClintoniaAndrew's clintoniaClintonia andrewsiana Related words Broader terms clintonia Parts genus Clintonia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.