Leaves are mostly absent. Ferns are quite successful plants. Gajendra C V Pteridophytes, Gymnosperms and Angiosperms. Psilotopsida 3. Pteridophytes are plants that do not have any flowers or seeds. Plant body is a sporophyte (2n) and differentiated into true stem, leaves and roots. Ø There are FIVE types of protosteles in Pteridophytes, they are: (a) Haplostele , (b) Actinostele , (c) Plectostele , (d) Mixed protostele and (e) Mixed protostele with pith . The classification of major groups of pteridophytes. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. On this basis, Wardlaw (1955) divided the Pteridophytes into four divisions : Tracheophyta (Division) Sub-division Psilopsida Lycopsida Sphenopsida Pteropsida Class : Psilophytineae Class : Lycopodineae Class : Equisetineae Class 1: Filicinae Order 1. Department of tree breeding In 2016, the group published a classification for extant pteridophytes, termed "PPG I". Smith, G.M. Bryophyta and Pteridophyta. Plant body is a sporophyte (2n) and differentiated into true stem, leaves and roots. Life Cycle of Pteridophytes, Alternation of Generation in Pteridophytes, Reproduction in Pteri… Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Kato , M. ( 1987 ). Reimer (1954) proposed a classification for Pteridophytes. They are the most primitive. A new term Tracheophyta was coined by Sinnott in 1935. Pteridophytes are the first true land plants: It is speculated that life began in the oceans, and through millions of years of evolution, life slowly adapted on to dry land. (see Appendices 1 and 2 in Smith et al., 2006b); literature citations for all names were g ive nb yS m i t h et al. If you continue browsing the site, you agree to the use of cookies on this website. Lepidodendrales Order 1. The group includes ferns, horsetails, clubmosses and whisk ferns. 1. Classification of Pteridophytes. Sporophytic Generation 4. Leaves can be microphyllous (small without forming leaf gaps in vascular supply of […] The classification (as per G. M. Smith) of bryophytes and pteridophytes up to orders. Smith et al. The pteridophytes are found in cool, damp, shady places though some may flourish well in sandy ­soil conditions. Psilophytopsida. The current trends in the subject are explained in a simple, lucid and understandablewriting style. 3. There are around 13,000 species of Pteridophytes. Dichotomous Key Cactus Plants Garden Plants Sixth Grade Science Science Biology Biology Facts Plant Tissue Microscopic Photography Plant Cell. ... Pryer KM, Schneider H, Smith AR et al. (ii) The members are sporophytic. ( lat. ( 2006b ,A p p endix 4). Pteridophyta ) in the broad interpretation of the term are vascular plants that reproduce via spores. When classified according to the route of acquisition, a fungal infection may be designated as exogenous or endogenous in origin. • One tree-like fern of the Marattiales (eusporangiate and homosporous), … The term Pteridophyte is derived from two words ‘Pteron’ meaning feather and ‘phyton’ meaning plant. Lycopsida. Indian Work. Within our new classification, we recognize four monophyletic classes, 11 monophyletic orders, and 37 families, 32 of which are strongly supported as monophyletic. Instead, the water and minerals flow from the surface of the plant- cell to cell in the … Classification of pteridophyta. Ø Protostele is considered as the most primitive stellar organization in plants. Salient Features of Sub-Phyla (i) Sub-phylum : … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pictorial representation of Pteridophytes A. Azolla, B. Selaginella, C. Marsilea, D. Lycopodium, E. Equisetum, F. Adiantum 10. Smith et al. In this group are included some of the most beautiful, and most familiar plants […] See our Privacy Policy and User Agreement for details. On this basis Wardlaw (1955) divided the Pteridophytes into four divisions: (1) Psilopsida: Sub-division Psilopsida (according to Wardlaw, 1955) or Division Psilophyta (according to Smith. Introduction to Pteridophytes: Pteridophytes constitute a significant and important group in the plant kingdom. These do not form a monophyletic group. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Journal of the Faculty of Science, University of Tokyo, Section III, Botany , 13 , 263–283. Pteridophytes ) or ( lat. 1955) includes living (Order Psilotales e.g., Psilotum), as well as fossil plants (Order Psilophytales e.g., Rhynia). ADVERTISEMENTS: 2. Pteridophytes: Classification of Pteridophytes (575 Words) Article shared by: ADVERTISEMENTS: Useful notes on the classification of Pteridophytes ! pteridophytes into 11 orders, 63 families, and 223 genera (Ching,1978;Table2).AlthoughChing(1978)emphasizedthat his systematic arrangement was constrained by regional and temporal knowledge, his concepts and arrangements of families and genera of Chinese pteridophytes have been widely adopted by Chinese researchers (e.g., Wu & Ching, Cryptogamia was again divided into three phyla; Thallophyta, Bryophyta and Pteridophyta. closely related to seed plants than to lycophytes (clubmosses, Smith (1938) classified pteridophytes into four classes namely Psilophytineae, Lycopodineae, Equisetineae and Filicineae. Because There is no physical connection between these two generations. Useful notes on the classification of Pteridophytes ! Pteridophyte classification by smith. ( lat. Pteridophytes Plants Collection by Shivam panchal. If you continue browsing the site, you agree to the use of cookies on this website. monophyletic group, because ferns and horsetails are more ADVERTISEMENTS: 2. According to Smith (1955), the use of Pteridophyta as a division-level taxon was by Schimper (1879). The role of pteridophytes in the origin of seed plants. the term (or sensu lato), are vascular plants (plants with xylem There are 19 orders and. Let us also look at classification within angiosperms to understand some of the concerns that influenced the classification systems. Ø Protostele is considered as the most primitive stellar organization in plants. Economic Importance 8. Plant kingdom was first divided into Cryptogamia and Phanerogamia by Eichler. The significance of bryophytes as pioneer plants on land and their role in the origin of pteridophytes. Introduction to Pteridophytes 2. • Pteridophytes show apogamy and apospory. The group includes ferns, horsetails, clubmosses, ADVERTISEMENTS: In this article we will discuss about:- 1. Sexuality 9. Classification of Pteridophytes. Psilotum is a genus of fern-like vascular plants, commonly known as whisk ferns. GENUS: EQUISETUM Common names: Horsetail, snake grass, puzzle grass • Derived from … Pteridophytes: General Characters (with Power Point Presentation – PPT) Bryophytes General Characters PPT (Mosses, Liverworts and Hornworts) Secretory Tissue in Plants PPT (Structure, Classification and Examples) Pteridospermales PPT (General Characteristics, Classification and Affinities) Cassava Mosaic Disease PPT ; Blast Disease of Paddy PPT Classification Based on Route of Acquisition. lycophytes, and some recent authors have used the term to If you continue browsing the site, you agree to the use of cookies on this website. General References for Pteridophytes 14 Glossary for Pteridophytes. Gametophyte 4. Pichi Sermolli (1973), whose remarkable work on Families, Genera and classification has never been surpassed in its careful study and detail. Ø Majority of the Pteridophytes show protostelic condition in their rhizome, stem or roots. Short classification of the ferns : Radosław Janusz Walkowiak. Short classification of the ferns : Radosław Janusz Walkowiak. 4. The group includes ferns, horsetails, clubmosses, spikemosses and quillworts. Origin of Pteridophytes 3. Pteridophytes ) or ( lat. Looks like you’ve clipped this slide to already. Smith & al. See our User Agreement and Privacy Policy. Close similarity between the sex organs of the two groups. 1. Classification of Pteridophytes. They are Psilopsida, Psilotopsida, Lycopsida, Sphenopsida, Pteropsida and Progymnospermopsida. Older taxonomists divided the vascular plants in two divisions—Pteridophyta (primitive vascular plants with absence of seeds) and spermatophyta (presence of seeds). PTERIDOPHYTES One new family, Cibotiaceae Korall, is described. Tree Fern Vascular Plant Plant Science Biochemistry Zimmerman Microbiology Fertility Ferns Plants. Thus, Pteridophytes are the plants with Feather-like leaves. Introduction to Pteropsida (Ferns): Pteropsida represent the most highly evolved group among the lower vascular plants. Classification of Pteridophytes by Smith (1955), Bold (1957) and Zimmerman (1959) Classification of Pteridophytes by Smith (1955), Bold( 1957) and Zimmerman (1959) Article by vijay chaudhary. Rhizoids and Scales in Bryophytes: Rhizoids: In Bryophytes roots are absent and the functions of the … Smith & al. ADVERTISEMENTS: In this article we will discuss about the classification of pteridophytes. This video is unavailable. Clipping is a handy way to collect important slides you want to go back to later. Thus Polypodiopsida in the broad sense (sensu lato) as used by the PPG (Polypodiopsida sensu PPG I) needs to be distinguished from the narrower usage (sensu stricto) of Smith et al. 1. Systematics and Classification. Infecting fungi may be either exogenous or endogenous. 2. To tease out the classification of pteridophytes, we've got to mention each of the key groups. Bryophyta and Pteridophyta were grouped together under Embryophyta. On the basis of their anatomy Jeffrey in 1902 divided the vascular plants into two types or ‘stocks’. ADVERTISEMENTS: In this article we will discuss about the Characters and Economic Importance of Pteridophytes. INTRODUCTION The earlier systems of classification of Pteridophytes, up until 1970, were summarised in detail by the late Professor Rodolfo E.G. words Pteron = feather and phyta = plants; means plants with feather like fronds or ferns) includes a group of primitive land plants with well developed vascular system • This group has been referred to as vascular cryptogams and classified by Carolus Linnaeus (1754) under the class Cryptogamia (Greek words kruptos = hidden and … Tracheophyta was divided into four groups by Eames in 1936. B. A. C. JERMY 39 Equisetaceae. Characters of Pteridophytes: They are characterised by the following features: 1. Pteridophytes ) or ( lat. Eichler (1883) divided the plant kingdom into Cryptogamia and Phanerogamia. You can change your ad preferences anytime. No public clipboards found for this slide. 1. Resemblance between sporogonium of Anthocerose, Sphagnum and terminal sporangium of fossil pteridophytes – Sporogonites and Horneophyton This theory is strongly supported by some of the scientists such as Lang(1917), Kidston and (1917), Scott(1923), Haskell(1949) and Kashyap(1919). used as an informal way to refer to ferns (monilophytes) and Firstly all the botanists divided the plant kingdom into two large groups- Cryptogamia and Phanerogamia, Linnaeus (1754) used the term Cryptogams for the first time for those plants which did not possess visible sex organs. Watch Queue Queue – The pteridophytes (Gk. In this classification, the Pteridophytes are divided into five subdivisions. The sporophyte is homosporous synangium. 2. Our classification reflects recently published phylogenetic hypotheses based on both morphological and molecular data. Pteridophytes are seedless vascular plants. This classification is a modification is a modification of Reimer’s (1954) system 2. (2006) carried out the first higher-level pteridophyte classification published in the molecular phylogenetic era, and considered the ferns as monilophytes, as follows: Division Tracheophyta (tracheophytes) - vascular plants Sub division Euphyllophytina (euphyllophytes) Infradivision Moniliformopses (monilophytes) (i) Psilopsida (ii) Lycopsida (iii) Sphenopsida (iv) Pteropsida. 2. Origin of Pteridophytes 3. Classification 6. Gametophytic Generation 5. At the end of this chapter, we Classification 6. Within our new classification, we recognize four monophyletic classes, 11 monophyletic orders, and 37 families, 32 of which are strongly supported as monophyletic. Engler (1909) included the Bryophyta and Pteridophyta under Embryophyta. Classification of pteridophytes For a long time the division Pteridophyta included-the ferns, lycopods and horsetails. The important characteristics of Pteridophytes are summarized below: Fronds in the largest species of ferns can reach some six metres in length! K. U. KRAMER .... 16 Keys to the Families of Fern Allies and Ferns K. U.KRAMER 17 Psilotaceae. Gametophytic Generation of Pteridophytes. There are also some purely aquatic ferns such as water fern or water velvet (Salvinia molesta) and mosquito ferns (Azolla species). 1. Pteridophyta is designed to fulfill the needs of undergraduate and postgraduate students of Botany. ... 2013). CLASSIFICATION • Kingdom: Plantae • Phylum: Pteridophyta • Class: Equisetopsida • Order: Equisetales • Family: Equisetaceae • Genus: Equisetum •Species: E. arvense 14. Research scholar Pteridophytes do not have seeds or flowers either, instead they also reproduce via spores. Consensus phylogeny depicting fern relationships upon which our classification is based. Looks like you’ve clipped this slide to already. Examples include ferns, horsetails and club-mosses. In fact, they can be considered as the first terrestrial vascular plants, showing the presence of the vascular tissue, xylem, and phloem. The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relationships discovered through phylogenetic studies. Characters of Pteridophytes: They are characterised by the following features: 1. Ø In Homosporous species, the development of gametophyte is exosporic (Gametophyte develops outside the spore wall) Pteridophytes ) or ( lat. See our User Agreement and Privacy Policy. They don’t have conducting tissues for transportation of water and minerals. The Cryptogamia was further divided into Thallophyta. Watch Queue Queue. Cryptogamic Botany, vol. The economic importance of pteridophytes. Oswald and Tippo (1942) classified pteridophytes in to four sub-phyla. The term Pteridophyta was first coined by Haeckel. An exploratory survey conducted on Pteridophytic flora in the 18 selected sacred groves of Chalavara Grama panchayath, Ottapalamtaluk, Palakkad district, Keral… Now customize the name of a clipboard to store your clips. Introduction to Pteropsida (Ferns) 2. Systematics and Classification. Oct 13, 2019 - Explore Syed khadri's board "Plant science" on Pinterest. 6. (2006), the first higher-level pteridophyte classification published in the molecular phylogenetic era, considered the ferns as monilophytes, as follows: Division Tracheophyta (tracheophytes) - vascular plants Pteron = feather and phyton = plants ; means plants with feather like fronds or ferns). Classification of Pteridophytes. Smith (1996) provided a summary and discussion of recent classifications. refer strictly to the monilophytes. • Fern classification 55 (3) • August 2006: 705–731 Fig. Gametophytic Generation 5. Phylogeny. Classification of pteridophytes remains somewhat con-troversial. 1.Algae and fungi. Heterospory and Seed Habit 7. He included • ferns, gymnosperms and angiosperms in a ‘stock’ known as Pteropsida • lycopods and horsetails in another ‘stock’ known as … 350 MYA), and the late Carboniferous (320-290 MYA) is known as the "Age of Ferns". Cryptogamia was again divided into three phyla; Thallophyta, Bryophyta and Pteridophyta. • Fern classification 55 (3) • August 2006: 705–731 Fig. Hence another name for it is Cryptogams. Sporophytic Generation 4. and phloem) that reproduce and disperse via spores. Classifications of these plants—often referred to collectively as pteridophytes despite their phylogenetic separation—have long been grounded in evolutionary principles and have reflected perceived evolutionary trends (e.g., Copeland, 1947; Pichi Sermolli, 1973, 1977b; Kramer & Green, 1990; Smith, 1995; Smith et al., 2006b; Christenhusz & Chase, 2014). Due to discovery of the fossil plants, the classification of Pteridophytes has undergone vast changes in the recent past. Pichisermollodes, Pteridophyte, Rank. One new family, Cibotiaceae Korall, is described. 11 Pins • 29 Followers. If classified as exogenous, an infecting organism may be transmitted by airborne, cutaneous, or percutaneous routes. Tryon (1952) and Pichi Sermolli (1973) reviewed and reproduced many of these and still earlier classifications, and Pichi Sermolli (1970, 1981, 1982, 1986) also summarized information on family names of ferns. Classification of Pteridophytes by Smith (1955), Bold (1957) and Zimmerman (1959) Learning and Loving Plant Science. Plant kingdom was first divided into Cryptogamia and Phanerogamia by Eichler. DOI : 10.1111/j.1095-8339.2009.01002.x Reference page . – Pteridophytes represent an intermediate position between bryophytes and spermatophytes (Gymnosperm and Angiosperm). Pteridophyta Classification. • Division: Filicophyta • Classs: Pterospsida • Sub-class: Leptosporangiate • Order: Filicales • Family: Polypodiaceae • Genus: Dryopteris 11. Introduction to Pteridophytes 2. Consensus phylogeny depicting fern relationships upon which our classification is based. If you continue browsing the site, you agree to the use of cookies on this website. INTRODUCTION AND DEFINITION • The Pteridophytes (Gk. See our Privacy Policy and User Agreement for details. Because they produce neither flowers nor seeds, they are referred to as cryptogams. No public clipboards found for this slide. The earliest systems of classification used only gross superficial morphological characters such as habit, colour, number and shape of leaves, etc. Posts about classification written by pteridophytes. 2. Ø The spores germinate to form the haploid gametophytic generation.. Ø Gametophyte and Sporophyte are two separate independent plants in Pteridophytes. This system of classification was followed by Smith (1938, 1955), Takhtajan (1953), Wardlaw (1955) and Schutser (1958) but preferred to call class Anthocerotes as Anthocerotae. These do not form a Ø There are FIVE types of protosteles in Pteridophytes, they are: (a) Haplostele , (b) Actinostele , (c) Plectostele , (d) Mixed protostele and (e) Mixed protostele with pith . – They are flowerless, seedless, spore producingvascular plant which have successfully invaded the land. Now customize the name of a clipboard to store your clips. 2. Economic Importance 8. K. U. KRAMER 22 Isoetaceae. Smith (1996) provided a summary and discussion of recent classifications. A. C. JERMY 26 Lycopodiaceae. Introduction to Pteridophytes: Pteridophytes constitute a significant and important group in the plant kingdom. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the Polypodiopsida consist of four subclasses, 11 orders, 48 families, 319 genera, and an estimated 10,578 species. Bryophyta and Pteridophyta were grouped together under Embryophyta. Pteropsida. they produce neither flowers nor seeds, they are referred to as ADVERTISEMENTS: In this article we will discuss about:- 1. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. (2006), the first higher-level pteridophyte classification published in the molecular phylogenetic era, considered the ferns as monilophytes, as follows: Division Tracheophyta (tracheophytes) - vascular plants Subdivision Lycopodiophyta (lycophytes) - less than 1% of extant vascular plants Sub division Euphyllophytina (euphyllophytes) Plant Body of Pteropsida (Ferns) 3. The modern classification of pteridophytes have been suggested by many scientist according to the Sporne(1975) pteridophytes have been classified into six classes. Classification of Pteridophytes by Smith (1955), Bold( 1957) and Zimmerman (1959) Article by vijay chaudhary. An endogenously-acquired fungal … 1 Pteridophytes occupy the intermediate position between Bryophytes and Phanerogams (seed plants). 0LLGAARD 31 Selaginellaceae. Of the pteridophytes, ferns account for nearly 90% of the extant diversity. Because they produce neither flowers nor seeds, they are referred to as cryptogams. spikemosses and quillworts. Smith et al. They include ferns and horsetails. Displaying classification of pteridophytesPowerPoint Presentations Classification By Smith (1955), Bold(1957) And Zimmerman (1959) Psilophyta. Pteridophytes are vascular plants and have leaves (known as fronds), roots and sometimes true stems, and tree ferns have full trunks. Classification of Pteridophytes . A phylogenetic classification of the land plants to accompany APG III. Pteridophyta ) in the broad interpretation of the term are vascular plants that reproduce via spores. Lycopsida . They are commonly known as club moss. longer considered to form a valid taxon, but the term is still Our classification reflects recently published phylogenetic hypotheses based on both morphological and molecular data.

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