'uhaloa

'Uhaloa occurs in many places on Oahu and appears like a weed. As a discussion point, you may have to convince your friend that it isn't an invasive weed and is a native plant.

Background Information

If you go to Alan Davis Beach on Oahu, you'll see a lot of 'Uhaloa. The leaves look similar to other weeds, but the yellow mini flower is a give away. You may have to wait to see the yellow flower to identify it. It grows as a single stalk with the leaves alternative of one another.