It was formerly known as Hellenia after the Finish botanist Carl Niclas von Hellens .
Costus is a group of perennial herbaceous plants in the family ( Costaceae ) described by Linnaeus as a genus in 1753 .
Costus was formerly known as Hellenia after the Finish botanist Carl Niclas von Hellens .
Costus is a group of perennial herbaceous plants in the family ( Costaceae ) described by Linnaeus as a genus in 1753 .