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Key to Muscadinia

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1 Mature fruits 12-25 mm in diameter; infructescences with 2-8 (-12) berries; seeds > 9 mm long; leaf blades usually > 6 cm long and wide; [widespread in our area]
1 Mature fruits 5-10 (-13) mm in diameter; infructescences with 12-30 berries; seeds < 6 mm long; leaf blades 2-8 cm long and wide; [of s. GA southward].
..2 Leaves 4-8 cm across; raphe (a ridge running nearly the length of the seed) broad and rounded in ×-section; plants high-climbing vines (or sprawling); [of dry habitats, s. GA south to s. FL]
..2 Leaves 2-3.5 cm across; raphe narrow, sharp, and keeled in ×-section; plants shrub-like or trailing, rarely climbing weakly; [Florida scrub, of Highlands and Polk counties]
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