subclass_commelinidae has definitions from the fields of biology,botany
1
[ noun ] (biology,botany) one of four subclasses or superorders of Monocotyledones; comprises about 19,000 species in 25 families of mostly terrestrial herbs especially of moist places including: Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae

Synonyms

Commelinidae

*