Phacelia tanacetifolia pha·ce·lia·tanacetifolia uncommon noun 1. hairy annual of California to Mexico with crowded cymes of small blue to lilac or mauve flowers SynonymsfiddleneckPhacelia tanacetifolia Related words Broader terms scorpionweed WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
