Do Plants Have a Brain?

STORY AT-A-GLANCE

  • Research reveals so many complex plant abilities, some theorize they have a “brain”
  • The Venus flytrap traps its prey with leaves lined with “teeth” that clamp together like a clam shell
  • When the fern-like leaves of the sensitive plant are touched, they rapidly fold up and close
  • Pitcher plants have deep cavities filled with digestive liquid that attracts and then drowns prey
  • Some plants emit caffeine, which makes pollinators remember their scent and return
  • The sand verbena and the honey-scented pincushion coat themselves in sand to protect them from herbivores

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