Castilleja Castilla • Castilloa · · · Info · Definitions · Characters · · Castilleja · · Text Latin · · Script 10 · · Length Definitions · · · (noun) genus of western North and South American perennials often partially parasitic on roots of grasses. Synonyms: genus Castilleja, Castilleia, genus Castilleia. · · Noun Definition 1 Characters · · C latin capital letter c U+0043 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 j latin small letter j U+006A l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074