Fabaceae
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Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and agriculturally important family of flowering plants. It includes trees, shrubs, and perennial or annual herba
The fruit of Gymnocladus dioicus
Roots of Vicia with white root nodules visible
Cross-section through a root nodule of Vicia observed through a microscope
Rhizobia
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Rhizobia are diazotrophic bacteria that fix nitrogen after becoming established inside the root nodules of legumes. To express genes for nitrogen fixation, rhizobia require a plant host; they cannot i
Root nodules, each containing billions of Rhizobiaceae bacteria
Rhizobia nodules on Vigna unguiculata