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Curiosities of vegetal world

Characteristics of flowers To know more about "The flowers" Flowers : Types 1

Types of flowers

THE FLOWERS : TYPES 1

 

According to the corolla:

Sympetalous: When the petals are joined, wholly or partly.

GAMOPETALA

Polypetalous: If the petals are not joined.

DIALISEPALA

Actinomorphic: Can be divided into two exact parts, if a line is drawn from one side to the other, reaching the centre, no matter where the line is drawn (radial symmetry)

FALOS

Zygomorphic: Only two symmetrical parts are possible if a line is drawn from one side to the other, reaching the centre. With a single plane of symmetry (bilateral symmetry)

ORQUIDEA

 

Some types of sympetalous flowers:

Regular or actinomorphic

funnel-shaped

campanulate

tubular

GAMOSEPAL

FLORACAMPANADA

TUBULOSA


Irregular or zygomorphic

bilabiate

BILABIADA

Funnel-shaped flowers are those similar to funnels, very wide at the top and narrower at the base.

campanulate are narrower than tubular, in the shape of a bell.

tubular flowers are longer than wider, in the shape of a tube.

bilabiate flowers present irregular corollas with two very distinctive lips, the upper one made by joining two petals and the lower one by joining three. (See more information about this type of flower in the labiate family)

 

Some photographic examples of different corollas:

CAMERA Funnel-shaped flower Morning glory (Ipomoea indica), (Convulvulus lanuginosus -Bindweed)

CAMERA Bilabiate flower (Rosmarinus officinalis - Rosemary) (Antirrhinum Majus -Snapdragon)

CAMERA Campanulate (Echium vulgare - Viper's bugloss.)

 

Some types of dialipetalous flowers:

Regular or actinomorphic

poppy-family

rose- family

cruciform

PAPAVERACIA

ROSACEA

CRUCIFERA


Irregular or zygomorphic

papilionaceous

PAPILIONACIA

poppy-family flowers have four petals arranged in two whorls, such as the poppy.

rose-family flowers are regular flowers with five petals, like the wild rose.

cruciform flowers are regular flowers with four petals cross-shaped.

papilionaceous flowers are very peculiar irregular. The present 5 petals. One at the top, called standard or banner; two side ones, called wings, and two joined ones below which form the keel. (For more information)

CAMERA Rosaceous flower (Strawberry)

ACTIVITIES

Do the three following activities before the test:

ACTIVIDADES
Activity 1 (Flash activity)

Activity 2 Activity 3

Now, you can do the test:

TEST

Take a look at the petals of the following plants and choose the correct answer:

ROMERO

-The rosemary has got a campanulate flower

-The rosemary has got a bilabiate flower

-The rosemary has hot a tubular flower

   

ROSA

-This flower is cruciform

-This flower is papilionaceous

-This flower is from the rose-family

Characteristics of flowers To know more about "The flowers" Flowers : Types 1

 


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