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The formula expresses counts of different floral organs; [note 1] these are usually preceded by letters or abbreviations according to the organ type. They are ordered corresponding to the arrangement of the parts of the flower from the outside to the inside:
A floral formula is a way to represent the structure of a flower using specific letters, numbers, and symbols, presenting substantial information about the flower in a compact form. It can represent a taxon , usually giving ranges of the numbers of different organs, or particular species.
A floral diagram is a graphic representation of the structure of a flower. It shows the number of floral organs, their arrangement and fusion. Different parts of the flower are represented by their respective symbols. Floral diagrams are useful for flower identification or can help in understanding angiosperm evolution.
The floral formula is a way of symbolically representing the structure of a flower through the use of letters, numbers and other signs. Typically, the floral formula is used to represent the morphological characteristics of the flowers of a given plant family, rather than of a particular species. The following are the most commonly used symbols ...
Stamen is the Latin word meaning "thread" (originally thread of the warp, in weaving). [8]Filament derives from classical Latin filum, meaning "thread" [8]; Anther derives from French anthère, [9] from classical Latin anthera, meaning "medicine extracted from the flower" [10] [11] in turn from Ancient Greek ἀνθηρά (anthērá), [9] [11] feminine of ἀνθηρός (anthērós) meaning ...
The floral axis acts much like a modified stem and births the organs that are attached to it. [7] The fusion of a plant's organs and the amount of organs that are developed from the floral axis largely depends on the determinateness of the floral axis. [8] The floral axis does perform different functions for different types of plants.
In typical modern flowers, the outer or enclosing whorl of organs forms sepals, specialised for protection of the flower bud as it develops, while the inner whorl forms petals, which attract pollinators. Tepals formed by similar sepals and petals are common in monocotyledons, particularly the "lilioid monocots".
Unlike (most) animals, plants grow new organs after embryogenesis, including new roots, leaves, and flowers. [3] In the flowering plants, the gynoecium develops in the central region of the flower as a carpel or in groups of fused carpels. [4]