Hydrophylliums is a botanical term that refers to a genus of flowering plants in the Hydrophyllaceae family. The word is spelled with a prefix "hydro-", meaning water, and a suffix "-phylliums", meaning leaf. In IPA phonetic transcription, the word is pronounced [haɪdrəʊfɪliəmz], with the stress on the second syllable. The plural form of the word is hydrophyllia, pronounced [haɪdrəʊfɪliə]. These plants are mostly found in western North America, and some of their species are used in traditional medicine.