Cryptogam

Cryptogam is a term used in biology to refer to a group of plants that reproduce by spores, without flowers or seeds. This group includes algae, fungi, mosses, and ferns. The term "cryptogam" is derived from the Greek words "kryptos", meaning hidden, and "gamos", meaning marriage, referring to the hidden way these plants reproduce.

Classification

Cryptogams are classified into three main groups:

• Algae - These are aquatic, photosynthetic organisms that do not have true roots, stems, or leaves. They range in size from microscopic to large seaweeds.

• Fungi - These are non-photosynthetic organisms that absorb nutrients from their environment. They include molds, yeasts, and mushrooms.

• Bryophytes - These are non-vascular plants that include mosses and liverworts.

• Pteridophytes - These are vascular plants that reproduce by spores, including ferns and horsetails.

Reproduction

Cryptogams reproduce asexually by spores, which are produced in structures called sporangia. In some cases, they can also reproduce sexually by fusion of gametes.

Ecology

Cryptogams play important roles in their ecosystems. Algae are primary producers in aquatic ecosystems, fungi decompose organic matter and recycle nutrients, and bryophytes and pteridophytes contribute to soil formation and stabilization.

Economic Importance

Cryptogams have many uses for humans. Algae are used in food and as biofuel, fungi are used in food and medicine, and bryophytes are used in horticulture.

See Also

• Plant reproduction
• Spore
• Sporangium

References

Cryptogam Resources
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