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Synonyms for California Bluebell (same or very similar meaning)

WordNet sense 1 (desert plant of southern California with blue or violet tubular flowers in terminal racemes):
whitlavia, Phacelia minor, Phacelia whitlavia

WordNet sense 2 (annual of southern California with intricately branched stems and lax cymes of aromatic deep blue bell-shaped flowers):
Phacelia campanularia


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