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

order Psilotales 1

noundomain: plant

Princeton WordNet [ver.3.1]

English

Definition

lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots

Synonyms

Psilotales 1
lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots

Member_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