Fern Leaf
by Michelle Meenawong
Title
Fern Leaf
Artist
Michelle Meenawong
Medium
Photograph - Metal Print
Description
A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having certain tissue that conducts water and nutrients, and having branched stems. Like other vascular plants, ferns have leaves, and these are "megaphylls", which are more complex than the "microphylls" of clubmosses. Most ferns are leptosporangiate ferns, sometimes termed "true ferns"; they produce what are called "fiddleheads" that uncoil and expand into fronds.The group includes about 10,560 known extant species.
Ferns as defined herein are the ferns sensu lato, being all of the monilophytes. The monilophytes comprise both the leptosporangiate and eusporangiate ferns, the latter itself comprising "ferns" other than those denominated "true ferns": horsetails (including scouring rushes), whisk ferns, marattioid ferns, and ophioglossoid ferns. The pteridophytes traditionally denominate all seedless vascular plants, of which the monilophytes predominate although some recent authors have used it to refer strictly to the monilophytes alone.
Uploaded
September 11th, 2017
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