| / English Dictionary |
CLASS PSILOTATAE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
Synonyms:
class Psilopsida; class Psilotatae; Psilopsida; Psilotatae
Classified under:
Hypernyms ("class Psilotatae" is a kind of...):
class ((biology) a taxonomic group containing one or more orders)
Meronyms (members of "class Psilotatae"):
order Psilotales; Psilotales (lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots)
Holonyms ("class Psilotatae" is a member of...):
division 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 Tracheophyta)
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