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Gemma (botany)

 
Gemma (botany)

 
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Gemma (botany)
 
 
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A gemma (plural gemmae) is a single cell
Cell (biology)

The cell is the structural and functional unit of all known Life organisms. It is the smallest unit of an organism that is classified as living, and is often called the building bricks of life....
, or a mass of cells, or a modified bud of tissue, that detaches from the parent and develops into a new individual. It is a means of asexual
Asexual reproduction

Asexual reproduction is reproduction which does not involve meiosis, ploidy reduction, or fertilization. Only one parent is involved in asexual reproduction....
 propagation in plant
Plant

Plants are Life organisms belonging to the Kingdom Plantae. They include familiar organisms such as trees, herbs, bushes, grasses, vines, ferns, mosses, and green algae....
s. These structures are commonly found in fungi, algae, liverworts and moss
Moss

Mosses are small, soft plants that are typically 1?10 cm tall, though some species are much larger. They commonly grow close together in clumps or mats in damp or shady locations....
es, but also in some flowering plant
Flowering plant

The flowering plants or angiosperms are the most widespread group of Embryophytes. The flowering plants and the gymnosperms are the only extant groups of Spermatophyte....
s such as pygmy sundew
Sundew

Drosera, commonly known as the sundews, comprise one of the largest genus of carnivorous plants, with over 170 species. These members of the family Droseraceae lure, capture, and digest insects using stalked mucilage glands covering their leaf surface....
s.

A wide-spread mean of asexual reproduction in both liverworts and mosses is the production of gemmae - multicellular bodies that give rise to new gametophytes.








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Encyclopedia


A gemma (plural gemmae) is a single cell
Cell (biology)

The cell is the structural and functional unit of all known Life organisms. It is the smallest unit of an organism that is classified as living, and is often called the building bricks of life....
, or a mass of cells, or a modified bud of tissue, that detaches from the parent and develops into a new individual. It is a means of asexual
Asexual reproduction

Asexual reproduction is reproduction which does not involve meiosis, ploidy reduction, or fertilization. Only one parent is involved in asexual reproduction....
 propagation in plant
Plant

Plants are Life organisms belonging to the Kingdom Plantae. They include familiar organisms such as trees, herbs, bushes, grasses, vines, ferns, mosses, and green algae....
s. These structures are commonly found in fungi, algae, liverworts and moss
Moss

Mosses are small, soft plants that are typically 1?10 cm tall, though some species are much larger. They commonly grow close together in clumps or mats in damp or shady locations....
es, but also in some flowering plant
Flowering plant

The flowering plants or angiosperms are the most widespread group of Embryophytes. The flowering plants and the gymnosperms are the only extant groups of Spermatophyte....
s such as pygmy sundew
Sundew

Drosera, commonly known as the sundews, comprise one of the largest genus of carnivorous plants, with over 170 species. These members of the family Droseraceae lure, capture, and digest insects using stalked mucilage glands covering their leaf surface....
s.

A wide-spread mean of asexual reproduction in both liverworts and mosses is the production of gemmae - multicellular bodies that give rise to new gametophytes.

Droseraroseanagemmae