Vine-like, trailing, long. Small serrate and very lightly hairy leaves, ( 1-1.8 cm long) distinctly lopsided and opposite. Small ( 0.2 cm ) blue and white flowers arraigned opposite in spikes, hairy bracts. Stem is mildly hairy and square. Reddish swolen spots occur about 1 cm above nodes.

Additional resources:

• Large botanical illustration