Known As:  Inkberry, Pigeonberry, Pokeberry, Pokeroot, Pokeweed
Latin Name:  Phytolaccaceae decandra, Phytolacca americana
Description: Small flowers with no petals that hang in grapelike clusters.  Fleshy berries at maturity.  Grows up to 10 feet tall with purple stems and alternate, lance-shaped, shiny leaves with smooth, curled edges.
Poisonous Parts:  All parts, especially roots and seeds.  Root produces cathartic poison phytolaccin.  Saponin toxins especially phytolaccigenin. Low toxicity.
Symptoms: Vomiting and diarrhea. Gastrointestinal irritation (colic, diarrhea which may be bloody). Rarely: anemia, possibly death. Birth defects and tumors may also be possible. Signs usually resolve within a day or two.    Veterinary literature does not document the mutagenic and teratogenic properties of pokeweed that can induce mutations (and possibly cancer) and birth defects.
Treatment: Unless your cat is unconscious or having convulsions, induce vomiting and follow procedures to delay absorption and speed elimination.  Get prompt veterinary assistance. Signs should lessen in 24 hours.