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Keys
  • Vascular plant groups
  • Club mosses
  • Ferns
  • Vegetative key to families
  • Gymnosperms
  • Flowering plants
  • Genera
  • Families

Onagraceae

Stamens twice as many as the petals Onagraceae
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Floral tube extending above the ovary. Sepals 4 Oenothera
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Floral tube not extending above the ovary