Psilotum nudum

Psilotum nudum

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Psilotales
Family: Psilotaceae
Genus: Psilotum
Species:
P. nudum
Binomial name
Psilotum nudum
Synonyms
  • Bernhardia antillarum K.Mull.
  • Bernhardia capensis K.Mull.
  • Bernhardia deppeana K.Mull.
  • Bernhardia dichotoma Willd. ex Bernh.
  • Bernhardia novae-hollandiae Müll.Berol.
  • Bernhardia oahuensis K.Mull.
  • Hoffmannia aphylla Willd.
  • Lycopodium nudum L.
  • Psilotum domingense Gand.
  • Psilotum flabellatum Gand.
  • Psilotum floridanum Michx.
  • Psilotum heterocarpum Colenso
  • Psilotum novae-zelandiae Gand.
  • Psilotum triquetrum Sw.

Psilotum nudum, the whisk fern, is a species of fern in the order Psilotales. Like the other species in this order, it lacks roots.

Psilotum nudum, means "bare naked" in Latin, because it lacks (or seems to lack) most of the organs of typical vascular plants as a result of evolutionary reduction. Note that leaves are not actually absent but greatly reduced.

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