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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.
Floral formulae are one of the two ways of describing flower structure developed during the 19th century, the other being floral diagrams. [2] The format of floral formulae differs according to the tastes of particular authors and periods, yet they tend to convey the same information. [1] A floral formula is often used along with a floral diagram.
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 ...
The main axis is the circle at the top of the diagram [2] Floral diagramming is a method used to graphically describe a flower. In the context of floral diagramming, the floral axis represents the center point around which the diagram is oriented. [3] The floral axis can also be referred to as the receptacle in floral diagrams or when ...
Diagram showing the parts of a mature flower. In this example the perianth is separated into a calyx (sepals) and corolla (petals) A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals.
Floral diagram From centre outwards: Trilocular ovary, 6 stamens, 6 tepals Ornithogalum umbellatum , the garden star-of-Bethlehem , grass lily , nap-at-noon , or eleven-o'clock lady , a species of the genus Ornithogalum , is a perennial bulbous flowering plant in the asparagus family ( Asparagaceae ).
ABC model of flower development guided by three groups of homeotic genes.. The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction, a flower.
English: Schema depicting the floral structure of Asteraceae using Leucanthemum vulgare agg. a – disc floret; b – ray floret 1 – style with stigmas 2 – anthers fused to form a tube 3 – corolla (petals), in the case of the ray floret three petals are joined to form a strap (in other species, e.g. 5 petals can form a ligule) 4 – reduced calyx; 4’ – in many other species (like ...