• plants "green" throughout (though some plants lack "green" or photosynthetic tissue
  • not woody
  • no lignant tissue above ground
  • never possess annual growth rings
  • can be annual - reproducing from seed every year
  • can be perennial - sprouting from an underground structure every year
    caudex - woody rootlike structure bulb or corm - think onion rhizome - think ginger
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