floral formula (2024)

FAQs

Floral formula? ›

A floral formula is a notation for representing the structure of particular types of flowers. Such notations use numbers, letters and various symbols to convey significant information in a compact form.

Having a chemical formula of F−, fluoride ion is the simplest inorganic, monatomic anion of fluorine with basic properties. It is considered a trace element. Fluoride ions are found in various minerals but are only present in trace amounts in water.

The parts of the flower are represented by K (for calyx), C (for corolla), P (for perianth), A (for androecium), and G (for gynoecium). These are followed by numbers indicating the number of parts in each whorl (e.g. K5 indicates a calyx of five sepals); ∞ indicates an indefinite number of parts (more than 12).

The symbol used to represent male flower is ♂ (staminate flower) and the symbol used to represent female flower ♀ (pistillate flower). Such flowers are described as unisexual.

⊕ P3+3 A3+3 G(3) is the floral formula of family liliaceae.

A conventional method for recording the structure of a flower. It uses a series of capital letters to identify parts: K = calyx; C = corolla; A = androecium; G = gynoecium. The number of components in each is indicated by a number; if the number exceeds 12, the symbol ∞ (infinity) is used.

Guidelines For Writing Floral Formula

When writing a floral formula, start with the bract and bracteole, then move on to the symmetry and sexuality of the flowers, and finally specify the floral parts – calyx, corolla, androecium, and gynoecium.

Placentation, which is the arrangement of ovules in the ovary, is not represented in a floral formula.

Floral diagram is a graphical representation of the structure of a flower. There are standard symbols which can be used to represent different parts of the flower. On the other hand, floral formula is used to represent the flower structure using numbers, letters and various symbols.

The floral formula of hibiscus is written in the form as follows- Br Brl ⊕ ⚥ K(5) C5 A(∞) G(5). In this formula, every symbol and number has been appointed a specific meaning and characteristics to it.

How to remember floral formula? ›

A floral formula consists of five symbols indicating from left to right: Floral Symmetry • Number of Sepals • Number of Petals • Number of Stamens • Number of Carpels Page 3 3 Floral Formulas • Floral formulas are useful tools for remembering characteristics of the various angiosperm families.

Floral formula of jasmine is +, ♀, Epi 3, K 5, C (5), A (α), G (α).

A combination of five English flower essences first developed by Dr. Edward Bach, promoting calm and balance in diverse situations of stress, emergency, and trauma. The Five-Flower Formula™ is praised throughout the world by health practitioners and lay persons.

P3 + 3 A3 + 3 G(3) for the tulip (Tulipa species). Floral formulae are often accompanied by floral diagrams.

Figure 4: Simplified floral diagram of a Geranium species (Geraniaceae). Floral formular: * K5 C5 A5+5 G(5).

The floral formula of Lantana camara is: Gynoecium: (2/5) 5-merous, syncarpous (fused ovary), with 5 styles and 1 stigma. Androecium: (2/5) 5-merous, with 5 anthers in each flower. Calyx: (3/5) 5-lobed, persistent in fruit.

G ₍₂₎ in a floral formula represents bicarpellary, syncarpous and inferior ovary.

While the leaf position on flowers often follows the golden angle, it also is related to the Fibonacci Series. The Fibonacci series is a list of numbers where you add the previous two numbers to get the next number. It goes like this: 1, 1, 2, 3, 5, 8, 13, etc.