Flora of the Southeastern United States
2022 Edition


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Key to Arenaria

1 Leaves lanceolate to oblanceolate, (7-) 15-32 mm long, 2-8 (-14) mm wide; perennial, stems to 8 dm long
1 Leaves ovate, 3-8 mm long, 1-4 mm wide; annual, stems to 3 dm long.
..2 Fruiting calyx lobes papillate (at 40× magnification); capsule nearly straight-sided, nearly as wide near the top as at the base
..2 Fruiting calyx lobes not papillate (at 40× magnification); capsule ovoid, distinctly broader at the base