2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Kirkazon large-flowered (lat. Aristolochia grandiflora) - climbing shrub; a representative of the Kirkazon genus of the Kirkazonov family. Another name is large-flowered aristolochia. It occurs naturally in South and North America, the Virgin Islands and India. Typical habitats are river banks, ravines, bushes and tropical forests. The first description of the large-flowered Kirkazon was received in 1788. In Russia, the species is rare, which is associated with low frost-resistant properties, although, like its relative, the graceful Kirkazon, can be grown indoors in winter.
Characteristics of culture
Large-flowered Kirkazon is an evergreen climbing shrub, not exceeding 10 m in height. It has a beautiful cordate or broad-heart-shaped, dark green, petiolate foliage, which is formed in huge numbers and forms a lush "tent".
The flowers, like those of their closest relatives, are large, solitary, funnel-shaped, reach 16-18 cm in diameter, covered with purple-reddish veins and dark purple eyes, emit a very unpleasant odor, reminiscent of rotting meat. Thus, the plant attracts flies and beetles, which are pollinators.
The flowers of the large-flowered Kirkazon are bisexual, initially they are in the female phase, in the process of pollination they turn into the male one. This unusual feature is inherent in not many plants. It should be noted that the species under consideration, along with the graceful kirkazon and the large-flowered kirkazon, forms flowers with traps that flies fall into. Before pollination, insects remain in the flower, and only after the obliquely directed hairs that cover the exit have fallen off, they get out of them.
This type of kirkazon blooms in July for 5-25 days. The plant is considered to be poisonous. In America and other countries with a temperate climate, large-flowered Kirkazon is actively used as an ornamental culture. Previously, aerial parts were used in Mexican folk medicine as cytotoxic and antimicrobial agents.
Growing features
Kirkazon large-flowered belongs to light and heat-loving plants. In nature and culture, it easily tolerates a light shade with diffused light. Plants can be planted both near the walls of houses (from the north, east or south-east side), and under the wide crowns of trees. The species under consideration has special requirements for the soil.
Plants develop most actively on humus-rich, moist, permeable and loose soils. But heavy, dry, waterlogged and compacted substrates for Kirkazon will not be the best allies. The most important condition is the water and air permeability of the soil. Plants do not tolerate drought, but if it is short-lived, you can do with frequent spraying and abundant watering. That is why Kirkazones are not advised to grow in regions with arid climates.
Squall winds can be detrimental to the growth of culture, which, by their strength, are capable of breaking the foliage. Since the large-flowered Kirkazon is thermophilic, with the onset of the first frosts, it is transplanted into large pots and brought into a well-lit room. It is not forbidden to put plants on the windowsills, the south side is excluded.
Planting seedlings
Planting seedlings of the culture is preferable in spring or autumn. The optimum age of the seedling is 2-3 years. Planting is carried out in shady places, leaving a distance of 80-100 cm between the plants. The depth of the planting pit depends to a greater extent on the degree of development of the root system and even sizes, but most often this value does not exceed 50-60 cm. The roots are shortened by 1/5 - 1/3 of the length.
The soil mixture for laying holes is prepared in a couple of weeks, it is made up of garden soil, sand and rotted humus in a 1: 1: 1 ratio. The introduction of 50 g of complex mineral fertilizers is encouraged. When landing in the immediate vicinity, a support is installed, along which the Kirkazon will curl counterclockwise.
The root collar of the seedling is placed at the level of the soil, it is not necessary to deepen it, since it will be delayed during watering and sediment. Mulching after planting is optional, but this procedure greatly simplifies maintenance. To accelerate the survival rate, it is important to monitor the condition of the plants, if necessary, shade and regularly moisten the soil, avoiding drying out.
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