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Psilotum is a genus of fern-like vascular plants. It is one of two genera in the family Psilotaceae commonly known as whisk ferns, the other being Tmesipteris.
whisk fern, either of the two species of the primitive fern genus Psilotum in the family Psilotaceae of the order Psilotales and the class Psilotopsida of the division Pteridophyta (the lower vascular plants). A whisk fern has water- and food-conducting tissues but lacks true leaves and roots.
Psilotum nudum, the whisk fern, [2] is a fernlike plant. Like the other species in the order Psilotales, it lacks roots. [3] 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.
Prized as a rare primitive vascular plant, Psilotum nudum (Whisk Fern) is a small evergreen fern with many upright, bright green to yellow or yellowish-orange, triangle-shaped stems and showy, bright yellow spore cases on the upper stems.
Psilotum nudum (L.) P.Beauv. (Psilotaceae) Whisk fern. Psilotum nudum, one of two species in the genus Psilotum, is widely distributed across tropical and sub-tropical areas of the Americas, Africa, Asia and Australasia, with a small, endangered population found in southern Spain.
Common Name (s): Skeleton Fern. Wisk Fern. Phonetic Spelling. sy-LAH-tum NEW-doom. Description. Wisk Fern is a native fern-like plant that lacks many of the typical features of vascular plants like leaves and flowers. They look like stems with yellow sporangia balls.
10 Απρ 2020 · Whisk Fern Etymology. Its name, Psilotum nudum, means “bare naked” in Latin, because it lacks most of the organs of typical vascular plants. It has neither root nor leaf and appears to be just a mass of bare twigs.
