noun
used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae
• Syn: ↑subdivision Pteropsida
• Hypernyms: ↑division
• Member Holonyms: ↑Tracheophyta, ↑division Tracheophyta
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\\-sədə\ noun pluralUsage: capitalized
: a subdivision of Tracheophyta comprising vascular plants (as the ferns and flowering plants) with well-developed and typically large leaves, leaf gaps usually present in the primary vascular cylinder, and sporangia abaxial on normal or modified leaves and including the classes Filicineae, Gymnospermae, and Angiospermae — compare lycopsida, psilopsida, sphenopsida
Useful english dictionary. 2012.