(Kadua cordata cordata)
Kadua cordata is a plant from the genus Kadua in the family of the Rubiaceae (Rubiaceae). It is endemic to HawaiiKadua cordata grows as usually little branched, upright to climbing dwarf shrub whose stems can reach lengths of 0.6 to 6 meters. All shoots are bare and usually stained bluish green. The branches have a stalk-round to slightly square cross-section.