Polygala Cowellii, or more commonly know as Violet Tree, is a tree with yellow-green foliage and purple flowers of the genus Polygala. It has a slow growth rate and a height of 15 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is fall and blooms during spring. Polygala Cowellii or Violet Tree's floral region is Puerto Rico.
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