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Key to Cressa

Convolvulaceae

Cressa

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1 Leaf blades 1-4 mm long × 0.6-2.8 mm wide; leaves on main stems widely spaced; [coastal s. TX]
1 Leaf blades 5-12 mm long × 1.5-6 mm wide; leaves on main stems crowded and overlapping; [coastal se. TX]