Coffee senna (Senna occidentalis), previously referred to as Cassia occidentalis, is an upright annual or biennial shrub of the Fabaceae family. S. occidentalis has branched stems which are initially reddish-purple but turn greenish-brown as they mature. It produces clusters of bright yellow flowers and dark brown, flattened, sickle-shaped pods.
Poisoning Cases of Coffee Senna
All parts of S. occidentalis are toxic to ruminants if ingested.
