genus Castilleja ge·nus·cas·tilleja uncommon noun 1. genus of western North and South American perennials often partially parasitic on roots of grasses SynonymsCastillejagenus CastillejaCastilleiagenus Castilleia Related words Broader terms asterid dicot genus Parts Scrophulariaceae Part of Indian paintbrush WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
