order psilotales is a noun meaning "lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots". It carries one recorded sense.
lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
Definitions, synonyms and semantic relations for order psilotales come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.