👉 Niponia is a genus of flowering plants in the family Apiaceae, commonly known as the Lilacs or Hydrangeas. They are native to North America and are classified under the subfamily Hypanthaceae within the superfamily Apiaceae. The genus contains around 120 species, which are characterized by their large flowers with long, slender petals and showy, white or pinkish-red corolla. Niponias are known for their beautiful blooms