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Key to Symphoricarpos

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1 Corolla 2-4 mm long; fruits pink to purple
1 Corolla 5-9 mm long; fruits white.
  2 Style 6-8 mm long, longer than the corolla; young twigs puberulent
  2 Style 2-3 mm long, shorter than the corolla; young twigs glabrous or puberulent.
    3 Fruit 6-10 (-12) mm in diameter; young twigs puberulent; leaves usually pubescent beneath; shrub usually < 1 m tall; [native]
    3 Fruit 12-20 mm in diameter; young twigs glabrous; leaves usually glabrous beneath; shrub usually 1-2 m tall; [introduced]