asticcacaulis asticcacaulis the asticcacaulis are a genus of bacteria. asticcacaulis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: caulobacterales family: caulobacteraceae genus: asticcacaulispoindexter 1964 species a. benevestitus a. biprosthecum a. endophyticus a. excentricus a. solisilvae a. taihuensis etymology the name asticcacaulis derives from: greek prefix a, not; neo-latin noun sticca, stick; latin masculine gender noun caulis, stalk; latin masculine gender noun asticcacaulis, stalk that does not stick.