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1 Flowers in a capitate Inflorescence; inflorescence subtended by large foliaceous bracts; [widespread in our area] |
| 1 Flowers solitary and axillary, or 2-several several in axillary, corymbose cymes; inflorescence not subtended by large foliaceous bracts; [peninsular FL]. |
| ..2 Corolla blue to purple. |
| ....3 Corolla ca. 2 cm long |
| ....3 Corolla < 0.5 cm long |
| ..2 Corolla white or pale pink. |
| ......4 Outer sepals ciliolate; [coastal strands, s. Florida] |
| ......4 Outer sepals glabrous or with tufted trichomes at the apex. |
| ........5 Outer sepal apices rounded; [pine rocklands of the Miami Rock Ridge, n. Broward County, and Big Cypress] |
| ........5 Outer sepal apices acute; [beach dunes, coastal strands, and rockland hammocks, Florida Keys and Miami-Dade County] |