What is the inflorescence of Rosaceae?

Inflorescence: Mostly cymose sometimes racemose, some are solitary. Flower: Pedicillate; bracteate: actinomorphic cut from any axis; Regular; complete; hermaphrodite both sex organs are present on the same plant; mostly perigynous, but sometimes epigenous. Calyx or sepals: 5 or 4 calyx: free.

How do you find the floral formula?

floral formula 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.

What are floral characters of family Rosaceae?

Rosaceae generally have five sepals, five petals, and many spirally arranged stamens. The bases of the sepals, petals, and stamens are fused together to form a characteristic cup-like structure called a hypanthium. They can be arranged in spikes, or heads. Solitary flowers are rare.

What is floral formula of Rose?

The floral formula for rose is as given below. Figure: Floral Formula. K (5) – a calyx with 5 sepals. C5 – corolla fused from 5 petals. A ∞ – many stamens (here, many indicates more than 10-12)

What are distinguishing characters of family Rosaceae?

Members of Rosaceae are generally woody plants, mostly shrubs or small to medium-size trees, some of which are armed with thorns, spines, or prickles to discourage herbivores. The genus Rubus (e.g., blackberries and raspberries) chiefly contains arching shrubs or scramblers of irregular, often tangled appearance.

What is floral formula and diagram?

It is sometimes found convenient to describe a flower by a simple and concise formula known as the floral formula. In this formula K represents calyx, C=corolla, P= perianth, A=androccium, G=Gynoecium. The number of members of a whorl is written after the symbol for a whorl, ∞ signifies a large and indefinite number.

How do you write a floral flower formula?

A floral formula consists of five symbols indicating from left to right:

1. Floral Symmetry.
2. Number of Sepals.
3. Number of Petals.
4. Number of Stamens.
5. Number of Carpels.

What is the floral formula of hibiscus?

Hibiscus is Rosa-sinensis – flora formula – Br. Brl. Ф K (5) C5 A (∞)G(5).

How many species of Rosaceae are there?

With over 2,500 species in more than 90 genera, the rose family (Rosaceae) is one of the major angiosperm families.

What is the position of ovary in Solanaceae?

In the case of Solanaceae family that comprises potatoes, eggplant, tomatoes, petunia, etc. the gynoecium is found to be bicarpelar with a superior ovary and two locules. – It consists of one style and stigma and the ovary is located in an oblique position with respect to the plane of the flower.

What is the floral structure of Rosaceae?

The Rosaceae, has a wide range of floral structure. In the sub-family Spiraeoideae the thalamus is flat or slightly concave but never a deep cup or a convex receptacle. Flowers are pentamerous with 10 – α stamens, 5 carpels which may be free as in Spiraea or fused as in Lindleya.

What is the scientific name of the rose family?

See Article History. Alternative Title: rose family. Rosaceae, the rose family of flowering plants (order Rosales), composed of some 2,500 species in more than 90 genera. The family is primarily found in the north temperate zone and occurs in a wide variety of habitats.

How many species of roses are in the family Rosales?

Rosaceae, the rose family of flowering plants (order Rosales), composed of some 2,500 species in more than 90 genera. The family is primarily found in the north temperate zone and occurs in a wide variety of habitats. A number of species are of economic importance as food crops, including apples,

How many petals are in a rose flower?

The Rose family contains around 115 genera and over 32oo species which are found world wide in distribution but are most common in North America, Europe, and eastern Asia. The floral formula is composed of: Calyx: 5 or 4 sepals: Corolla: 5 or multiple of 5 petals; free: Stamens: numerous.