Smilacaceae (Catbrier Family) Synonym(s): Sawbriar, Saw Greenbriar, Catbriar, Bullbriar, Stretchberry Vine Base Flower Color: Green, YellowReproductive Phenology: Apr, MayBloom Notes: My fellow hikers can attest to just how horrible a plant this is. I will carry scars for life! For more information about this plant, Click Here.