Pteridophytes are characterized by a life cycle that usually. Pteridophytes are the first vascular plants to invade land. They are flowerless plants exhibiting an alternation of 2 distinct and dissimilar generations. 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. However, the pteridophytes differ from mosses and seed plants in that both generations are independent and freeliving. Phylums ferns and allies pteridophyta plant life forms. 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. A pteridophyte is a vascular plant with xylem and phloem that disperses spores.
Ferns and lycophytes share a life cycle and are often collectively treated or studied, for example by the international association of pteridologists. Classification for kingdom plantae down to division pteridophyta. World ferns checklist of ferns and lycophytes of the world version 3. The first is a nonsexual, sporebearing, sporophyte generation. Phylum pterophyta study guide by runningvegan012 includes 16 questions covering vocabulary, terms and more. The term is now used only informally to denominate a fern monilophyte or lycophyte. We use the term sporophyte for the mature adult, and gametophyte for the immature baby fern. Pteridophyta, ferns and allies, have approximately 12000 species and six classes. Pteridophytes may represent the closest living relatives sister group to the seed plants. Classification of pteridophytes for a long time the division pteridophyta includedthe ferns, lycopods and horsetails. Ferns can be used to illustrate the life cycle stages common to all pteridophytes. According to an old medical doctrine, this resemblance indicated liverworts could cure illnesses of the liver.
Similar to the life cycle of seed plants, the pteridophytes also involves the alternation of generations in its life cycle. The current trends in the subject are explained in a simple, lucid and understandablewriting style. 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 biology encyclopedia plant, body, different. Features, classification, reproduction with examples. The members of the class psilotopsida show close resemblance in fundamental characteristics to the silurian and devonian members of rhyniopsida e. This categerie juist haes the follaein subcategerie. However, the pteridophytes differ from mosses and seed plants in that both generations are independent and free living. Pteridophyta article about pteridophyta by the free dictionary. 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. There are about eleven thousand different species of pteridophytes, making them the most diverse land plants after the flowering.
Thousands of new, highquality pictures added every day. Pteridophyta have life cycle known as metagenesis with two generations, they are sporophyte and gametophyte generations. Pages in category pteridophyta the following 6 pages are in this category, out of 6 total. The ferns form the great majority of existing pteridophytes. Classification of pteridophytes short classification of the ferns pdf. Jun 09, 2016 phylum pteridophyta true ferns part 2 1. 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. Pteridophyta in the broad interpretation of the term are. They comprises the third group under plant kingdom kingdom plantae. The body of the sporophyte is well differentiated into roots, stem and leaves. The group includes ferns, horsetails, clubmosses and whisk ferns. This pdf version does not have an isbn or issn and is not therefore effectively published melbourne code, art. Pteridophytes ferns and lycophytes are freesporing vascular plants that have a life cycle with alternating, freeliving gametophyte and sporophyte phases.
There are typically two different generations involved in the reproductive process. Liverworts are located on nearly every continent, inhabiting a diverse array of ecosystems. The life cycle of pteridophytes is probably best exemplified by the general life cycle of the fern. 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.
In this article we will discuss about the classification of pteridophyta. Pteridophyta is designed to fulfill the needs of undergraduate and postgraduate students of botany. It usually appears as a relatively large plant, with stems containing vascular tissue that conducts water and dissolved solutes through the. Ferns have a life cycle that alternates from a mature adult to an immature fern. It is commonly found in tropics and subtropics and grows naturally in stagnant water of drains, canals, ponds, rivers, haorsbaors and marshy lands. Thallophyta, bryophyta and pteridophyta while phanerogamic. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Pteridophytes introduction, authors and addresses, systematic list, glossary, and key to tribes. Pteridophyta teridafata os made from two greek roots that mean winged pteryz. Quizlet flashcards, activities and games help you improve your grades. Eichler 1883 divided the plant kingdom into cryptogamia and phanerogamia. 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. These ferns, in biological terms, are nothing but the pteridophytes, belonging to the. On the basis of their anatomy jeffrey in 1902 divided the vascular plants into two types or stocks. Pteridophyta pteridophytes a division of the plant kingdom, comprising the vascular cryptogams. Because they produce neither flowers nor seeds, they are referred to as cryptogams. Ebook an introduction to pteridophyta as pdf download. Seed plants include the angiosperms, the conifers, and a smaller assortment of other plants. Pteridophyta in the broad interpretation of the term are vascular plants that reproduce via spores. 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.
But trust me the first thing that you notice is the abundant foliage of fern plants. Plants are primarily colonizers of unforested areas, lake margins and wetlands. Pteridophyta download ebook pdf, epub, tuebl, mobi. These gametophytes are freeliving, multicellular and photosynthetic. Download catalogue pdf download pricelist download catalogue excel contact us. 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. The group pteridophyta, the wing plants, is a diverse bunch of related plants. Phylum marchantiophyta are commonly known as the liverworts due to the shape of hepatic liverworts resembling the shape of the liver. Filicinophyta ferns, sphenophyta horsetails, lycophyta clubmosses, and psilophyta. Must eat cooked or steamed, not raw, although some people do eat fiddleheads raw and end up getting throat and gastric cancers. Ebook pteridophyta as pdf download portable document format. 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.
Equisetaceae horsetails, scouring rushes previously placed in own phylum equisetophyta. Pteridophyta biology general studies all competitive. The 2016 science olympiad fossil list includes the genus calamites horsetail and the plant leaf annularia within the phylum pteridophyta ferns. Pteridophyta in traditional classification systems, a division of the plant kingdom that included ferns, horsetails, and clubmosses, i. Botany for degree studentspteridophyta by a k sinha. 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. Divisi pteridophyta pdf pteridophyta tumbuhan paku part 1 regnum. 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. Classification of pteridophyta linkedin slideshare. Pteridophyta article about pteridophyta by the free. 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. 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.
The sexuality of pteridophytic gametophytes can be classified as follows. Ferns division pteridophyta or filicophyta range from the devonian to recent times. Ppt pteridophyta powerpoint presentation free to download. Sporophyte generation producing spores is a pteridophyta itself.
Depending on definitions, the animal kingdom animalia or metazoa contains. Which group of pteridophytes includes fossil examples up to 40 meters tall. Click on names to expand them, and on p for plants profiles. Jul 31, 2018 pteridophytes are the first vascular plants to invade land. 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. 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. Because pteridophytes produce neither flowers nor seeds, they are also referred to as cryptogams. Ferns, like clubmosses and horsetails are vascular plants with true roots, stems, and leaves. 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. Pteridophytes ferns and fern allies the plant list.
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. The printed version, however, was effectively published on 6 june 20. 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. Pteridophyta characteristics, life cycle, classification. Engler 1909 included the bryophyta and pteridophyta under embryophyta. Find pteridophyta stock images in hd and millions of other royalty free stock photos, illustrations and vectors in the shutterstock collection. When you think of forests and woods, you can picture trees, abundant lush green ferns, and other plants. These ferns, in biological terms, are nothing but the pteridophytes, belonging to the division pteridophyta of the plant kingdom. Pteridophyta is a phylum of plants which is commonly known as ferns. The cryptogamia was further divided into thallophyta. Fern phylum pteridophyta is a large group of primarily tropical plants that typically reproduce by a complicated process involving spores. At one point, pteridophyta was considered its own phylum, although now they are considered a group of disparate. Fiddleheads are the young furled coiled up heads of a young fern.1276 1078 1398 1295 1129 76 314 1213 1261 538 1501 1495 197 1599 1599 1428 1168 1439 1306 1346 1270 1560 432 1617 1413 1346 833 555 1104 485 1450 102 1391 1031 576 545 1499 816 457 690 869 73 1101 1491 876 396