Psilotum nudum | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Division: | Polypodiophyta |
Class: | Polypodiopsida |
Order: | Psilotales |
Family: | Psilotaceae |
Genus: | Psilotum |
Species: | P. nudum
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Binomial name | |
Psilotum nudum | |
Synonyms[3] | |
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Psilotum nudum, the whisk fern,[3] is a fernlike plant. Like the other species in the order Psilotales, it lacks roots.[4]
Its name, 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.)[4]