Plants are primarily colonizers of unforested areas, lake margins and wetlands. Because they produce neither flowers nor seeds, they are referred to as cryptogams. The body of the sporophyte is well differentiated into roots, stem and leaves. Pteridophyta is a phylum of plants which is commonly known as ferns. An introduction to pteridophyta top results of your surfing an introduction to pteridophyta start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. Pteridophyta article about pteridophyta by the free dictionary. Find pteridophyta stock images in hd and millions of other royalty free stock photos, illustrations and vectors in the shutterstock collection. Pteridophyta characteristics, life cycle, classification. Pteridophyta is thus no longer a widely accepted taxon, but the term pteridophyte remains in common parlance, as do pteridology and pteridologist as a science and its practitioner, respectively. Equisetaceae horsetails, scouring rushes previously placed in own phylum equisetophyta. The members of the class psilotopsida show close resemblance in fundamental characteristics to the silurian and devonian members of rhyniopsida e.
Liverworts are located on nearly every continent, inhabiting a diverse array of ecosystems. Pteridophyta, ferns and allies, have approximately 12000 species and six classes. Quizlet flashcards, activities and games help you improve your grades. Pteridophyta in traditional classification systems, a division of the plant kingdom that included ferns, horsetails, and clubmosses, i. As in seed plants, the greatest diversity of pteridophytes is found in the tropics, with only about six hundred species adapted for life in temperate climates. The pteridophytes ferns and fern allies pteridophytes are vascular plants and have leaves known as fronds, roots and sometimes true stems, and tree ferns have full trunks. These gametophytes are freeliving, multicellular and photosynthetic. Because pteridophytes produce neither flowers nor seeds, they are also referred to as cryptogams. Phylum marchantiophyta are commonly known as the liverworts due to the shape of hepatic liverworts resembling the shape of the liver. The group pteridophyta, the wing plants, is a diverse bunch of related plants.
The group includes ferns, horsetails, clubmosses and whisk ferns. It is commonly found in tropics and subtropics and grows naturally in stagnant water of drains, canals, ponds, rivers, haorsbaors and marshy lands. World ferns checklist of ferns and lycophytes of the world version 3. Pteridophyta pteridophytes a division of the plant kingdom, comprising the vascular cryptogams. Pteridophyta in the broad interpretation of the term are vascular plants that reproduce via spores. They are flowerless plants exhibiting an alternation of 2 distinct and dissimilar generations. Structure and form approximately 11,000 known species vary in size from less than 1 cm in diameter to 25 meters tall fern leaves are megaphylls that are commonly referred to as fronds 3.
Pteridophytes are the first vascular plants to invade land. Jun 09, 2016 phylum pteridophyta true ferns part 2 1. Must eat cooked or steamed, not raw, although some people do eat fiddleheads raw and end up getting throat and gastric cancers. Valued images by topiclife formsplantsferns and club mosses pteridophyta media in category pteridophyta the following 200 files are in this category, out of 264 total. They comprises the third group under plant kingdom kingdom plantae. Classification of pteridophytes for a long time the division pteridophyta includedthe ferns, lycopods and horsetails. The ferns form the great majority of existing pteridophytes. Ppt pteridophyta powerpoint presentation free to download. Pteridophyta teridafata os made from two greek roots that mean winged pteryz. But trust me the first thing that you notice is the abundant foliage of fern plants. We use the term sporophyte for the mature adult, and gametophyte for the immature baby fern. The relation which exists between the two alternating stages or generations, which together constitute the complete lifecycle of all plants higher than the thallophyta, is perhaps the most life history.
According to an old medical doctrine, this resemblance indicated liverworts could cure illnesses of the liver. Features, classification, reproduction with examples. Pages in category pteridophyta the following 6 pages are in this category, out of 6 total. Ferns have a life cycle that alternates from a mature adult to an immature fern. From the germinated spore of a fern plant, which must not be confused with the seed of seedbearing plants, a small, flat, green organism is. Two unrelated groups within cryptogams seed free vascular plants are recognized as phyla. Fronds in the largest species of ferns can reach some six metres in length. Pteridophytes ferns and lycophytes are freesporing vascular plants that have a life cycle with alternating, freeliving gametophyte and sporophyte phases.
Pteridophyta is designed to fulfill the needs of undergraduate and postgraduate students of botany. The term is now used only informally to denominate a fern monilophyte or lycophyte. It usually appears as a relatively large plant, with stems containing vascular tissue that conducts water and dissolved solutes through the. The first is a nonsexual, sporebearing, sporophyte generation. However, the pteridophytes differ from mosses and seed plants in that both generations are independent and free living. The life cycle of pteridophytes is probably best exemplified by the general life cycle of the fern. These ferns, in biological terms, are nothing but the pteridophytes, belonging to the. Jul 31, 2018 pteridophytes are the first vascular plants to invade land. Pteridophytes introduction, authors and addresses, systematic list, glossary, and key to tribes.
Eichler 1883 divided the plant kingdom into cryptogamia and phanerogamia. Phylums ferns and allies pteridophyta plant life forms. On the basis of their anatomy jeffrey in 1902 divided the vascular plants into two types or stocks. Pteridophyta have life cycle known as metagenesis with two generations, they are sporophyte and gametophyte generations. Download catalogue pdf download pricelist download catalogue excel contact us. Pteridophyta article about pteridophyta by the free.
Ebook pteridophyta as pdf download portable document format. Classification of pteridophytes short classification of the ferns pdf. The 2016 science olympiad fossil list includes the genus calamites horsetail and the plant leaf annularia within the phylum pteridophyta ferns. Classification for kingdom plantae down to division pteridophyta. Pteridophytes may represent the closest living relatives sister group to the seed plants.
They are the vascular plants those having xylem and phloem tissues that reproduce by releasing spores rather than seeds, and they include the highly diverse true ferns and other graceful, primarily forestdwelling plants. Thallophyta, bryophyta and pteridophyta while phanerogamic. Pteridophyta download ebook pdf, epub, tuebl, mobi. Ferns can be used to illustrate the life cycle stages common to all pteridophytes. A pteridophyte is a vascular plant with xylem and phloem that disperses spores. The cryptogamia was further divided into thallophyta. Pteridophytes ferns and lycophytes are freesporing vascular plants that have a life cycle with alternating, freeliving gametophyte and sporophyte phases that are independent at maturity.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Click on names to expand them, and on p for plants profiles. Pteridophytes ferns and fern allies the plant list. There are about eleven thousand different species of pteridophytes, making them the most diverse land plants after the flowering. Phylum pterophyta study guide by runningvegan012 includes 16 questions covering vocabulary, terms and more. Azolla is a free floating fresh water fern belonging to the family azollaceae and order pteridophyta. So, the pteridophyta that we see in daily life is sporophyte generation. Pteridophyta sporeproducing vascular plants 2 no transcript 3 ferns sporeproducing vascular plants 4 ferns are sporeproducing vascular plants that have true leaves, roots, and stems. However, the pteridophytes differ from mosses and seed plants in that both generations are independent and freeliving. There are typically two different generations involved in the reproductive process. Ferns and lycophytes share a life cycle and are often collectively treated or studied, for example by the international association of pteridologists. Pteridophyta start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. In this article we will discuss about the classification of pteridophytes. Classification of pteridophyta linkedin slideshare.
A pteridophyte sensu lato is a vascular plant with xylem and phloem that reproduces via spores, and therefore was a member of the former and now invalid taxon pteridophyta. Ferns, like clubmosses and horsetails are vascular plants with true roots, stems, and leaves. This categerie juist haes the follaein subcategerie. Similar to the life cycle of seed plants, the pteridophytes also involves the alternation of generations in its life cycle. Seed plants include the angiosperms, the conifers, and a smaller assortment of other plants. Thousands of new, highquality pictures added every day. The sexuality of pteridophytic gametophytes can be classified as follows. All pteridophytes have a true alternation of generations, in which a dominant sporophyte generation produces spores through meiosis, and a freeliving gametophyte generation forms gametes egg and sperm by mitosis. Traditionally, in botany the term division has been used instead of phylum, although the international code of nomenclature for algae, fungi, and plants accepts the terms as equivalent. A pteridophyte sensu lato is a vascular plant that reproduces via spores, and therefore was a member of the former and now invalid taxon pteridophyta.
Ferns division pteridophyta or filicophyta range from the devonian to recent times. This pdf version does not have an isbn or issn and is not therefore effectively published melbourne code, art. Pteridophytes biology encyclopedia plant, body, different. Pteridophytes are characterized by a life cycle that usually. Divisi pteridophyta pdf pteridophyta tumbuhan paku part 1 regnum. In this article we will discuss about the classification of pteridophyta. When you think of forests and woods, you can picture trees, abundant lush green ferns, and other plants.
Which group of pteridophytes includes fossil examples up to 40 meters tall. Pteridophyta biology general studies all competitive. Pteridophyta in the broad interpretation of the term are. Sep 20, 2017 a pteridophyte sensu lato is a vascular plant that reproduces via spores, and therefore was a member of the former and now invalid taxon pteridophyta. At one point, pteridophyta was considered its own phylum, although now they are considered a group of disparate. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
The printed version, however, was effectively published on 6 june 20. Engler 1909 included the bryophyta and pteridophyta under embryophyta. Filicinophyta ferns, sphenophyta horsetails, lycophyta clubmosses, and psilophyta. Science olympiad fossil event the 2016 science olympiad fossil list includes the genus calamites horsetail and the plant leaf annularia within the phylum pteridophyta ferns. Botany for degree studentspteridophyta by a k sinha. Sporophyte generation producing spores is a pteridophyta itself. These ferns, in biological terms, are nothing but the pteridophytes, belonging to the division pteridophyta of the plant kingdom.583 1083 401 797 1540 999 1030 49 1050 163 1226 417 1027 605 655 183 361 97 1558 508 23 2 336 1093 418 354 681 767 300 1114 689 1202 853