Alena
Boerhavia repens

The alena plant is an indigenous species and is common on Popoi'a or Flat Island as well as most of the offshore islands. Alena has white blossoms cascading out of its stem. It grows well in coastal areas. Alena has sticky fruits. The blossoms are beautiful.
 
  Alena was brought to Hawaii from birds because of the sticky seeds. Alena has one to two stamens sticking out of the center of the blossom. It is a bushy plant with branches with small, round leaves surrounded with creamy white blossoms.