2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Sharpened Kirkazon (lat. Aristolochia acuminata) - herbaceous vine; a representative of the Kirkazon genus of the Kirkazonov family. Under natural conditions, the plant can be found in South America. It grows mainly in tropical forests.
Characteristics of culture
Sharpened Kirkazon is a perennial herb with bare cylindrical stems with implicit grooves. Leaves are oblong-oval or oval-cordate, rather thin, with pronounced veins, deeply cordate at the base, with rounded lateral lobes, pointed or sharp at the tips, up to 14 cm wide, up to 12 cm long, sitting on bare petioles up to 4 cm long …
Flowers are collected in 2-3 pieces in axillary racemes, equipped with short pedicels, the length of which does not exceed 1 cm. The calyx can be greenish or light yellow. Corolla straight or slightly curved, tubular, inside dark purple up to 6 cm long, has a round membranous sac at the base up to 80 mm in diameter.
Fruits are ovate-cylindrical or obovate capsules up to 3.5 cm in diameter. Pointed Kirkazon blooms in July for 10-20 days. The seeds ripen approximately 60-90 days after flowering. Insufficiently winter hardy species, hibernates indoors. Light and heat-loving, whimsical to growing conditions, demanding to care. Negatively refers to drought, cold winds and thick shade.
Features of culture
There are quite a lot of interesting specimens in the plant world, and representatives of kirkazon can be attributed to such. And all thanks to the peculiarities of the structure of the flower. If you consider it, cutting it lengthwise, it is difficult not to notice a huge number of densely spaced long hairs in the tube, which are located obliquely inward. These hairs are able to trap insects that fly into the flower in order to extract nectar, but until they pollinate it, the plant retains them.
Flies, trying to get out into the wild, pollinate it, and after a few days they get the opportunity to escape, this happens due to wilting and falling of sharp hairs. The flies retain pollen on their bodies, which they transfer to the next flower, which is pollinated again. The flowers of the sharpened kirkazon attract the husband with the smell of rotten meat, which few plants can boast of. After flowering, greenish spherical fruits are formed in place of flowers; closer to ripening, they change shape and color. Ripe capsules crack, and many small seeds fall out of them.
Seed propagation in open and closed ground
Sharpened Kirkazon propagates both by seed and vegetative way. The seed method involves preliminary cold stratification for 2-3 months. For this, the seeds are placed in wet sand and stored at a temperature of 0-5C. Seeds are sown in October or May in prepared beds.
The soil for successful seed germination must be fertile, processed, light, loamy optimally. Seeds are sown at a distance of 5 cm from each other. The distance between the rows should be at least 10 cm. The seeding depth is 1, 5-2 cm. Subsequent care for the crops consists in systematic watering and regular weeding.
When sowing in autumn, seeds germinate in spring, and when sowing in spring, in the second or third decade of June. It is important to note that without stratification during spring sowing, the germination rate of seeds is only 30-35%, with autumn sowing a little more than 50%. With proper care and favorable growing conditions, the seedlings will reach a height of 15 cm by autumn. Sowing in seedling boxes is not prohibited. In this case, the seeds are sown in the third decade of February. The seeding scheme does not differ from the previous one.
In conditions of closed ground, seedlings appear in 1-1, 5 months. With preliminary stratification, seed germination will reach 60-75%. At the end of May, seedlings are transplanted into open ground for growing. With the onset of frost, the seedlings are insulated with sawdust or dry fallen leaves, otherwise the young plants will die from frost. Sowing freshly harvested seeds is preferable, stored seeds give low germination.
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