CONTEMPORARY FLORAL PRINTS

četvrtak, 20.10.2011.

FERTILIZATION IN FLOWER. IN FLOWER


Fertilization in flower. Wedding table floral centerpieces. Big flower headbands



Fertilization In Flower





fertilization in flower






    fertilization
  • The action or process of applying a fertilizer to soil or land

  • making fertile as by applying fertilizer or manure

  • The action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote

  • creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant

  • (fertilize) provide with fertilizers or add nutrients to; "We should fertilize soil if we want to grow healthy plants"





    flower
  • (of a plant) Produce flowers; bloom

  • Be in or reach an optimum stage of development; develop fully and richly

  • bloom: produce or yield flowers; "The cherry tree bloomed"

  • Induce (a plant) to produce flowers

  • a plant cultivated for its blooms or blossoms

  • reproductive organ of angiosperm plants especially one having showy or colorful parts











Flower - Flor




Flower - Flor





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CANON EOS 400D EXIF 1/60 4,5 75-300mm ISO 200 Flash HDR

Flower - Flor

Filogeneticamente, la flor es una rama modificada. La flor considerada tipica es la de las angiospermas, y esta constituida por cuatro verticilos (“pisos”) de hojas modificadas (antofilos). Recorriendo el eje de la flor desde su base hacia el extremo, encontramos sucesivamente:

Los sepalos son los que envuelven a las otras hojas en las primeras fases de desarrollo, cuando la flor es solo un capullo. Tambien evitan en las especies entomofilas, que los insectos accedan al nectar sin pasar por los estambres y estigmas. Los sepalos se sueldan en muchos casos para formar una estructura acopada que justifica el nombre de caliz (copa) con que se designa al conjunto de los sepalos.
Los petalos son, en los casos tipicos, hojas de colores llamativos que atraen visualmente a los agentes polinizadores. El conjunto de los petalos constituye la corola.
Los estambres son hojas muy modificadas portadoras de organos masculinos, los sacos polinicos (microsporangios), que residen en las anteras, cada una de las cuales se apoyan en un filamento. Los estambres pueden ser muy numerosos, aunque lo mas frecuente es que sean una o dos veces el numero de petalos. En la base de los estambres pueden aparecer glandulas productoras de nectar (nectarios), que en otros casos son parte de los petalos. El conjunto de los estambres se llama androceo.
Por ultimo las hojas mas superiores y mas pegadas al eje son los carpelos. Estas son portadoras de organos femeninos, llamados rudimentos seminales u ovulos, de los que derivaran, tras la fertilizacion, las semillas. Los carpelos pueden formar uno o mas organos llamados ovarios. El fruto se forma principalmente por la transformacion del ovario u ovarios, pero a veces estan implicadas otras partes, sobre todo cuando el ovario se desarrolla hundido dentro del tallo de la flor, en la parte llamada talamo, donde se insertan las diversas piezas florales (ovario infero). El conjunto de los carpelos se llama gineceo.

Phylogenetically, the flower is a modified branch. The flower is considered typical of angiosperms, and is composed of four whorls ( "floors") of modified leaves (antofilos). Crossing the axis of the flower from its base toward the end, we find successively:

The sepals are those involving the other sheets in the early stages of development, when the flower is just an asshole. They also avoid entomofilas in the species, the insects from accessing the nectar without going through the stigmas and stamens. The sepals are often welded to form a structure that justifies the name ACOPA calyx (cup) which designates the whole of the sepals.
The petals are, in typical cases, sheets of bright colors that attract pollinators to visually. All the petals as the corolla.
The stamens are highly modified leaves bearing male organs, bags poles (microsporangios), residing in the anthers, each of which rely on a filament. The stamens can be very numerous, but more often they are one or two times the number of petals. At the base of the stamens may be nectar-producing glands (nectaries), which in other cases they are part of the petals. All the stamens are called androecium.
Finally the upper leaves more and more attached to the shaft are the carpels. These carriers are female, called seminal rudiments or ova, which arise after fertilization, the seed. The carpels may form one or more organs called ovaries. The fruit is formed mainly by the transformation of the ovary or ovaries, but sometimes involving other parties, especially when the ovary is sunk into the stem of the flower, known in the thalamus, where they inserted the various floral parts ( infer ovary). The set of carpels is called gynoecium.











Banana Flower




Banana Flower





Explore, December 11, 2009 #290

The banana flower is a large, dark purple-red blossom that grows from the end of a bunch of bananas. Its sizable bracts, or leaves, snugly enclose delicate, sweetly scented male flowers. The female flowers, which do not require fertilization to become fruit, grow farther up the stem from the male flowers.

The banana flower is treated in several Asian and tropical cuisines as a vegetable. It is known in Japan as banana no tsubomi, in Thailand as dok kluai, in Indonesia as jantung pisang, in China as shang chao fua, in Sri Lanka as kehel mal, and in India as kere kafool. The words “banana flower” are variously translated as “banana blossom,” “banana heart,” due to its physical resemblance to that organ, or “plantain blossom.”

Once the tougher, darker outer bracts are pulled away, the paler and more tender inner leaves are used in a number of dishes, prepared in a variety of ways. A fresh, tender banana flower may be sliced and served raw, as in Thailand, where it is often accompanied by the hot and spicy dip called nam prik. It is also served simmered in soup or fried with thin noodles.

Tonemapped (details enhancer) 1 RAW file in Photomatix Pro.









fertilization in flower







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