Clostridium kwayar halitta ce ta gram-tabbatacce, kwayoyin cuta masu siffar sanda wadanda suke anaerobic, ma'ana suna iya girma da rayuwa idan babu iskar oxygen. Membobin wannan jinsin suna iya samar da endospores, waɗanda ke da tsayayya ga zafi, radiation, da sauran yanayi masu tsanani. Wasu nau'in Clostridium ba su da lahani, yayin da wasu na iya haifar da cututtuka masu tsanani a cikin mutane da dabbobi, kamar tetanus, botulism, da gangrene.