Costus and Bedfordia are examples of what?
Costus Costus is a group of perennial herbaceous plants in the family (Costaceae) described by Linnaeus as a genus in 1753. It was formerly known as "Hellenia" after the Finish botanist Carl Niclas von Hellens. It is widespread through tropical and subtropical regions of Asia, Africa, and the Americas.
Hemiandrus Hemiandrus is a genus of weta in the family Anostostomatidae. In New Zealand, they are known as ground weta.