释义 |
PteropsidaenUK ThesaurusNoun | 1. | Pteropsida - used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermaesubdivision Pteropsidadivision - (botany) taxonomic unit of plants corresponding to a phylumdivision Tracheophyta, Tracheophyta - in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants |
PteropsidaenUK
Pteropsida[tə′räp·səd·ə] (botany) A large group of vascular plants characterized by having parenchymatous leaf gaps in the stele and by having leaves which are thought to have originated in the distant past as branched stem systems. PteropsidaenUK
Pteropsida a subdivision of the TRACHEOPHYTA, including the ferns, conifers and flowering plants.PteropsidaenUK
Synonyms for Pteropsidanoun used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and AngiospermaeSynonymsRelated Words- division
- division Tracheophyta
- Tracheophyta
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