Pteridophytes commonly known as Vascular Cryptogams, are the seedless vascular plants that evolved after bryophytes. Besides being a lower plant, pteridophytes are economically very important. Dry fronds of many ferns are used as a cattle feed. Pteridophytes are also used as a medicine.

What are the uses of pteridophytes?

The pteridophytes are used in Homoeopathic, Ayurvedic, Tribal and Unani medicines and provides food, insecticides and ornamentations. With very few exception ferns have not been widely used as a source of food. The fern stems, rhizomes, leaves, young fronds and shoots and some whole plants are used for food.

What are the main features of pteridophytes?

• Pteridophytes are considered as the first plants to be evolved on land: ...
• They are cryptogams, seedless and vascular: ...
• The plant body has true roots, stem and leaves: ...
• Spores develop in sporangia: ...
• Sporangia are produced in groups on sporophylls: ...
• Sex organs are multicellular:

Which Pteridophyte is of medicinal importance?

We have documented the medicinal uses of pteridophytes belonging to thirty different families. The lycophyte Selaginella sp. was shown in earlier studies to have multiple pharmacological activity, such as antioxidant, anti-inflammatory, anti-cancer, antidiabetic, antiviral, antimicrobial, and anti-Alzheimer properties.

What is the economic importance of the ferns?

Ferns are not of major economic importance, but some are used for food, medicine, as biofertilizer, as ornamental plants and for remediating contaminated soil. They have been the subject of research for their ability to remove some chemical pollutants from the atmosphere.

ECONOMIC IMPORTANCE OF PTERIDOPHYTES

What is the ecological importance of pteridophytes?

Like other plants, pteridophytes constitute a good source of food to animals. Sporocarps of Marsilea, a water fern, yield starch that is cooked and eaten by certain tribal. (2) Soil Binding: By their growth pteridophytes bind the soil even along hill slopes.

What are the economic importance of bryophytes and pteridophytes?

It is used in horticulture as well as a fuel. Because of their capacity to hold water, they are sometimes used as packing material for shipment of living material. It's an economically valuable species which is used as a bio fertilizer.

Are pteridophytes of any economic importance are they of any use to humans?

Pteridophytes commonly known as Vascular Cryptogams, are the seedless vascular plants that evolved after bryophytes. Besides being a lower plant, pteridophytes are economically very important. Dry fronds of many ferns are used as a cattle feed. Pteridophytes are also used as a medicine.

What are some of the ethnobotany uses of pteridophytes?

Medicinal uses of 61 pteridophyte species belongs to 31 families used by tribals of the Western Ghats of India in their traditional methods of treatment of various diseases and ailments like stomach disorders, poisonous bites, rheumatics, cough, asthma fever and diabetes, etc.

What is the importance of xylem and phloem in plants?

Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant.

What are economic importance of seedless?

Seedless plants have historically played a role in human life through uses as tools, fuel, and medicine. Dried peat moss, Sphagnum, is commonly used as fuel in some parts of Europe and is considered a renewable resource. Sphagnum bogs are cultivated with cranberry and blueberry bushes.

Why pteridophytes are also known as botanical snakes?

Pteridophytes are referred to as botanical snakes as snakes are the first terrestrial animals and so are the Pteridophytes. They are the first true land plants evolving from bryophytes. This is why, sometimes, Pteridophytes are also referred to as 'snakes of the plant kingdom' or 'botanical snakes'.

What are the economic importance of angiosperms?

As a result, angiosperms are the most important ultimate source of food for birds and mammals, including humans. In addition, the flowering plants are the most economically important group of green plants, serving as a source of pharmaceuticals, fibre products, timber, ornamentals, and other commercial products.

What is the economic importance of fungi?

Fungi are an important organism in human life. They play an important role in medicine by yielding antibiotics, in agriculture by maintaining soil fertility, are consumed as food, and forms the basis of many industries.

Which Pteridophyte is used as food?

Pteridium aquilinum is the most widely used pteridophyte as a source of human food (Figure 2). It is used as food in Angola, Cameroon, DRC, Gabon, Madagascar, Nigeria and South Africa.

Are Pteridophytes aquatic?

Pteridophytes are vascular plants and have leaves (known as fronds), roots and sometimes true stems, and tree ferns have full trunks. ... There are also some purely aquatic ferns such as water fern or water velvet (Salvinia molesta) and mosquito ferns (Azolla species).

Is Azolla native to Australia?

Azolla is an Australian native fern that is common in many waterways and is commonly used as a decorative feature in garden ponds. It supports a nitrogen-fixing cyanobacterium in its fronds. This nitrogen is released when the plants decay.

What are the economic importance of bacteria?

Bacteria are economically important as these microorganisms are used by humans for many purposes. The beneficial uses of bacteria include the production of traditional foods such as yogurt, cheese, and vinegar. Microbes are also important in agriculture for the compost and fertilizer production.

Why are ferns important?

provide a source of food or medicine for animals, including people. ceremonial and spiritual use or importance. colonize disturbed sites as one stage in succession. filter toxins, such as heavy metals, from environments and thus provide a bioindicator for the health of an ecosystem.

Why pteridophytes are successful land plants?

There are about eleven thousand different species of pteridophytes, making them the most diverse land plants after the flowering plants (angiosperms). Pteridophytes may represent the closest living relatives (sister group) to the seed plants. ... Ferns reproduce by releasing spores rather than seeds.

What are the economic importance of mosses?

Mosses are often used to condition the soil. Coarse-textured mosses increase water storage whereas fine-textured mosses provide air spaces. Peat mosses are the most important economically as they were, and still are, an important source of fuel in some countries. Peat is derived largely from Sphagnum moss.

What is the ecological importance of mosses?

Ecologically, mosses break down exposed substrata, releasing nutrients for the use of more complex plants that succeed them. They also aid in soil erosion control by providing surface cover and absorbing water, and they are important in the nutrient and water economy of some vegetation types.

Why mosses are gregarious because they?

Mosses are gregarious because they :- Have vascular tissue. Have indirect germination of spores. Have direct germination of spores.