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

Vegetative key to the families >

Vegetative Key Vegetative key to the families
consider the other alternative
OCHREA (sheath) Present around the stem and petiole, formed from fused stipules (Fig. 25). Leaves alternate. Herbs Polygonaceae
consider the other alternative
Perianth segments or lobes 6, unequal
consider the other alternative
Three outer perianth segments spiny; inner ones smaller Emex