Psilophyta?

Answer

Psilophyta refers to a phylum of plants. The plants in Phylum Psilophyta are largely extinct, though some still exist today. Psilophytes have no seeds, roots, or true leaves, and have a simple, plain appearance.
Q&A Related to "Psilophyta?"
division of the plant kingdom that includes ferns, horsetails and clubmosses. Source(s) http://www.biology-online.org/dictionary/Pteridophyta.
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There are no living members of the former class, Psilophyta. or. Phylophytopsida. The extinct plant families have been assigned to different classes, and the class. Phylotopsida.
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The mature sporophyte has no true leaves, and instead the stem is green and photosynthetic, being covered with stomates to allow gas exchange. Source(s): http://www.ucmp.berkeley.edu
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stems Whisk ferns are one of the most primitive plants, and has only small scale-like structures for leaves and lacks a root system (which would be underground where no light would
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Explore this Topic
There are 10 known distinct phyla of plants, 5 of which are Bryophyta (mosses and liverworts), Psilophyta (Psilotum or whisk fern), Lycophyta (club mosses), Pterophyta ...
There are 10 major Phyla of plants. These phyla include Bryophyta, lycophyta, Psilophyta, Sphenophyta, Cycadophyta, Pterophyta, Gnetophyta, Ginkgophyt, Coniferophyta ...
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