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Key to Crinum

Amaryllidaceae

Crinum

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1 Leaves 7.5-12 cm wide; umbels 20-100-flowered
1 Leaves 1-5 (-7) cm wide; umbels 2-13-flowered.
  2 Umbels 2-7-flowered; perianth white; [native]
    3 Umbels 6-7-flowered
  2 Umbels 8-13-flowered; perianth usually at least in part reddish; [exotic].
      4 Flowers pedicellate; bulb 6-8 cm in diameter
      4 Flowers sessile; bulb 12-15 cm in diameter