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Mertensia
See list of 2 species in this genus-
1a. Erect or ascending, cultivated plants; flowers 18–25 mm long, not subtended by leafy bracts; leaf blades mostly 4–10 cm long, herbaceous, green; mericarps obtusely angled, dull, becoming wrinkled in drying
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1b. Spreading to prostrate, native plants of Atlantic coast beaches; flowers 6–9 mm long, often subtended by leafy bracts; leaf blades mostly 2–6 cm long, fleshy, glaucous; mericarps acutely angled, shiny, smooth
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Each photo represents one species in this genus.