Psilotales 1
noundomain: plant
Princeton WordNet [ver.3.1]
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EnglishDefinition
lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
Hypernym
plant order 1
noun
the order of plants
Member_meronym
Psilopsida 1
noun
whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
Psilotaceae 1
noun
small family of lower ferns having nearly naked stems and minute scalelike leaves
EnglishMember_holonym
Psilopsida 1
noun
whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
Psilotaceae 1
noun
small family of lower ferns having nearly naked stems and minute scalelike leaves
