E. lenta: anaerobic, non-sporulating, non-motile, Gram-positive bacilli that grow singly, as pairs, or in short chains.
They are found in the human colon.
Bacteremia usually in association with a GI pathology.
Who knows. Reports suggest "susceptible to amoxicillin/clavulanate cefoxitin, metronidazole, piperacillin/tazobactam , ertapenem and meropenem, 91% were susceptible to clindamycin, 74% to moxifloxacin and 39% to penicillin."