Which plant has more species, Zigadenus or Fallopia?
Zigadenus Zigadenus is a genus of flowering plants now containing only one species, Zigadenus glaberrimus, the sandbog death camas, found in the southeastern United States from Mississippi to Virginia. Around 20 species were formerly included in the genus, but have now been moved to other genera.
Hillia (plant) Hillia is a genus of flowering plants in the family Rubiaceae. It has 24 species. All are indigenous to tropical America.