Igneous :: Igneous (a.) Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance..
Igneous :: Igneous (a.) Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks..
Ligneous :: Ligneous (a.) Made of wood; consisting of wood; of the nature of, or resembling, wood; woody..
Semiligneous :: Semiligneous (a.) Half or partially ligneous, as a stem partly woody and partly herbaceous..