| 释义 |
class Psilopsida
Thesaurus| Noun | 1.class Psilopsida - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacsclass Psilotatae, Psilopsida, Psilotataeclass - (biology) a taxonomic group containing one or more ordersdivision Pteridophyta, Pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophytaorder Psilotales, Psilotales - lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots |
class Psilopsida
Related to class Psilopsida: LycopsidaSynonyms for class Psilopsidanoun whisk fernsSynonyms- class Psilotatae
- Psilopsida
- Psilotatae
Related Words- class
- division Pteridophyta
- Pteridophyta
- order Psilotales
- Psilotales
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