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Class 11 Tuition > Learn Biology > What are the main features of pteridophytes?
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What are the main features of pteridophytes?

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Educator having 8 years of experience in Teaching industry and M.Sc., B.Ed., CTET qualified.

1. Members of this group are most primitive living vascular plants. 2. The main plant body is a sporophyte. It is differentiated into root, stem and leaves. 3. Plants (sporophyte) reproduce by spores formed in sporangia. Sporangia develop either on the ventral surface or in the axil of leaves. 4....
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1. Members of this group are most primitive living vascular plants. 2. The main plant body is a sporophyte. It is differentiated into root, stem and leaves. 3. Plants (sporophyte) reproduce by spores formed in sporangia. Sporangia develop either on the ventral surface or in the axil of leaves. 4. Plants may be homsoporous or heterosporous. The development of sporangium may be of eusporangiate (when develop from group of initials) or leptosporangiate. (When develop from a single initial) type. 5. Spores develop into a multi-cellular gametophytic body called prothallus - a thalloid structure. It is independent and chlorophyllous. It bears male reproductive organs called antheridia and female reproductive organs called archegonia. Reproductive organs are multi cellular and jacketed. 6. Water is essential to effect fertilization as male reproductive units are flagellated and motile. 7. Seed formation never takes place in living pteridophytes. 8. An embryo develops in situ after fertilization and the sporophyte remains attached to the gametophyte till the development of root. 9. Plants show clear alternation of generations. The sporophyte and gametophyte are independent of each other. read less
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A pteridophyte is a vascular plant (with xylem and phloem) that reproduces via spores.
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Pteridophytes are vascular plants and have leaves (known as fronds), roots and sometimes true stems, and tree ferns have full trunks. Examples include ferns, horsetails and club-mosses. Fronds in the largest species of ferns can reach some six metres in length! Many ferns from tropical rain forests are...
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Pteridophytesare vascular plants and have leaves (known as fronds), roots and sometimes true stems, and tree ferns have full trunks. Examples include ferns, horsetails and club-mosses. Fronds in the largest species of ferns can reach some six metres in length! Many ferns from tropical rain forests are epiphytes, which means they only grow on other plant species; their water comes from the damp air or from rainfall running down branches and tree trunks. There are also some purely aquatic ferns such as water fern or water velvet (Salviniamolesta) and mosquito ferns (Azollaspecies). Pteridophytesdo not have seeds or flowers either, instead they also reproduce via spores. There are around 13,000 species ofPteridophytes. read less
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