Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. The corresponding term for animal life is fauna. Flora, fauna, and other forms of life, such as fungi, are collectively referred to as biota. Sometimes bacteria and fungi are also referred to as flora, as in the terms gut flora or skin flora.

Etymology

The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century.

The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.

Classifications

Plants are grouped into floras based on region (floristic regions), period, special environment, or climate. Regions can be distinct habitats like mountain vs. flatland. Floras can mean plant life of a historic era as in fossil flora. Lastly, floras may be subdivided by special environments:

• Native flora. The native and indigenous flora of an area.
• Agricultural and horticultural flora (garden flora). The plants that are deliberately grown by humans.
• Weed flora. Traditionally this classification was applied to plants regarded as undesirable, and studied in efforts to control or eradicate them. Today the designation is less often used as a classification of plant life, since it includes three different types of plants: weedy species, invasive species (that may or may not be weedy), and native and introduced non-weedy species that are agriculturally undesirable. Many native plants previously considered weeds have been shown to be beneficial or even necessary to various ecosystems.

Importance of flora:

The importance of flora or plants on the land or in the oceans makes our life possible. Plants are the oxygen producing and carbon dioxide absorbing natural apparatus without which life would not be possible. Besides the plants are essential resource for human well-being.

Disadvantages of Normal flora

• Bacterial synergism. This means that normal flora is helping another potential pathogen to grow or survive. ...
• Competition for nutrients. The normal flora absorbs vitamins and nutrients from the gastrointestinal tract of animals for their own needs.
• Disease.

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Journal Manager

Journal of Ecosystem and Ecography

Email: ecosystem@emedscholar.com