WordNet (r) 3.0 (2006):

California bluebell
    n 1: desert plant of southern California with blue or violet
         tubular flowers in terminal racemes [syn: California
         bluebell, whitlavia, Phacelia minor, Phacelia
         whitlavia]
    2: annual of southern California with intricately branched stems
       and lax cymes of aromatic deep blue bell-shaped flowers [syn:
       California bluebell, Phacelia campanularia]