| 1. Leaf oblanceolate, entire, narrowed to base; corolla ± 0.6 cm, deeply lobed; annual |
| C. simulans |
| 1' Leaf hastate or lobed, petioled; corolla 26 cm, not cleft; perennial herb |
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| 2. Leaf, at least upper, deeply lobed; corolla purple to deep pink; n Sierra Nevada Foothills, Southwestern California |
| C. althaeoides |
| 2' Leaf hastate; corolla white or pinkish; widespread weed |
| C. arvensis
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