describe the morphological structure of the kidney plant pretty simple.The plant consists of a kidney embryonic stem, leaves and flowers.Vegetative buds are classified into two types: growth (vegetative) and flower (generative).Vegetative buds plant consists of a leaf.The structure consists of generative primordia of flowers and inflorescences.Bud - a flower buds having one flower.Kidneys that are simultaneously presented the rudiments of leaves and flowers, called the autonomic-generative, that is mixed.
at the growing point formed the rudiments of leaves, which are arranged from bottom to top.Due to the fact that they are growing unevenly, to the top, they are folded, than due to the appearance of a wet area within the kidney.Thus kidney plant protects itself from drying out and damage.During the blooming of buds from the stem leaves are moved and straightened, due primarily to the strong growth of the stem internodes.
Usually, kidney plant has brown, gray or brown color.The kidneys of some woody plants, especially those that grow in cold climates, covered with scales (modified leaves), protecting them from the cold and injuries.Some trees (such as birch, poplar) allocate resinous substances that enhance this protection.This plant is called the bud closed or protected.Accordingly, vegetative buds without scales, called naked or unprotected.The thick fuzz covering data outside the body, is an additional means of protecting them from a variety of adverse factors.
Some herbaceous plants (wheat grass, lily of the valley) are hibernating buds that are located on the underground shoots, they can also be found in the lower part of the aerial shoots near the ground.Thanking this arrangement, bud plants quite easy to cope with temperature fluctuations.Some plants (eg, cacti) have individual features of the structure of the body.Kidney cactus called areoles, they consist of modified scales - needles which perform a protective function.
Given the location of the buds on the stem, they are divided into lateral and apical.Kidney at the end of the shoot is called the terminal (apical), due to it made the growth of the stem.Lateral buds system formed shoots.Side plant called axillary bud, if it is localized in the leaf axils.Vnepazushnymi (adventitious or extension) the kidneys are those that are placed in different parts of the stem, including the roots.
kidneys in the axils of leaves can be placed both individually and in groups.It should be noted that the localization of the kidneys in the axils of the leaves is of great biological importance.The coating protects the kidney leaf from mechanical damage, it still takes an active part in providing nutrients to the kidney.
With adventitious buds carried vegetative propagation.So multiply weed forming plants (thistles, aspen).What are the suckers?Simply put, it shoots that develop from adventitious buds on the roots.Vnepazushnye buds on the leaves of plants develop very rarely.As an example of Kalanchoe.His right kidney produce shoots of small size with adventitious roots.
For most perennials, shrubs and trees typical dormant buds, which can remain undetected for a long period of time.They can not be transformed over the years into shoots, but there are factors that contribute to the development of dormant buds (eg, death of the main trunk).The key role played by dormant buds in the life of shrubs.Their development stems formed subsidiary, the dimensions of which can be several times greater than the diameter of the parent trunk.Now you know what is a plant bud and what functions it performs.
