The Collaborative International Dictionary
Phacelia tanacetifolia
fiddleneck \fiddleneck\ n. hairy annual plant ( Phacelia tanacetifolia) of California to Mexico with crowded cymes of small blue to lilac or mauve flowers.
Syn: Phacelia tanacetifolia.
Wikipedia
Phacelia tanacetifolia
Phacelia tanacetifolia is a species of phacelia known by the common names lacy phacelia, blue tansy or purple tansy.