asaia siamensis asaia siamensis asaia siamensis is a species of acetic acid bacterium. it was first isolated from a flower of calotropis gigantea collected in bangkok. its type strain is nric 0323t (= jcm 10715t = ifo 16457t). asaia siamensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodospirillales family: acetobacteraceae genus: asaia species: a. siamensis binomial name asaia siamensiskatsura et al. 2001