Ailosters And Rebuts Are Cacti With Blooming Wreaths. Kinds. Home Care. Photo

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Ailosters And Rebuts Are Cacti With Blooming Wreaths. Kinds. Home Care. Photo
Ailosters And Rebuts Are Cacti With Blooming Wreaths. Kinds. Home Care. Photo

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Among the flowering cacti, few plants can boast such talents as ailostera and rebutia. Rightfully taking their place in the lists of the most spectacular and abundantly flowering succulents, they can boast of strong tillering, high decorativeness, and amazing endurance. These are unique cacti, for the flowering of which you need to make a minimum of effort, they also conquer with their unpretentiousness. And although there is considerable confusion with the classifications, rebuces and ailosters are still easy to recognize - they are round, highly bushy mini-cacti, whose flowers form a kind of wreaths.



  • Rebuts that almost swallowed the Ailosters and their similarities
  • Types of rebuts and ailoster
  • Home care for rebuts and ailosters
  • Diseases and pests
  • Reproduction of rebuts and ailoster

Rebuts that almost swallowed the Ailosters and their similarities

Cacti are considered to be plants that are found in every home. Every florist who has grown a cactus at least once must have dreamed of its magical bloom. Beautifully flowering cacti are often considered capricious and demanding plants. But you can’t say the same about some of the most spectacular flowering species - about rebuts and ailoster very similar to them. These cacti have rightfully earned the title of unpretentious beauties. And they are strikingly similar to each other not only in appearance, but also in their requirements for wintering and growing conditions in general.

Before getting acquainted with isosters and rebutions, it is worth learning about the confusing and still unclear classification of these species. The roots of the confusion are in the changes in botanical classifications, due to which, at the beginning of our millennium, the beautiful flowering cactus Aylostera was already included in the rather big genus of rebuts, and then, apparently, they changed their minds, but not completely.

Rebuces and Ailosters are so similar in appearance to each other that it is easy to understand why scientists have so many difficulties with definitions. Plants have always considered separately, but in 2001, labor Aylostera (Aylostera) and Rebutia (Rebutia) were combined.

The abolition of the independent genus Ailoster gave rise to a lot of controversy, and their result was a revision of the classification ten years later: already in 2009, authoritative publications again “separated” the Ailoster, and five years later these cacti received a controversial status. Since no final decision has been made, their “unresolved” status continues to create even more naming difficulties.

True, all these retraining had little effect on the practical side of cactus studies. Most of the cacti, which are either now more correct to call rebutions, or still not, are found on sale under the name Ailostera. Even in professional catalogs and at exhibitions, familiar views can often be found under the old and familiar name.

So both names - ailoster, rebutia, and even rebutia - can be fairly used as synonyms. Indeed, the botanical name does not affect the fact that these cacti are easy to recognize in any gathering of fellows. As well as the fact that it is not easy even for experienced florists to distinguish between rebuts and ailoster. These are such similar plants that they can be viewed together.

Rebuts and Ailosters are flowering cacti, distinguished by a special tendency to overgrow, the formation of children, and dense, constant tillering. Stunted and easily recognizable by their almost perfectly rounded shape, these cacti are globular stars, although a spherical-cylindrical shape is also found among some rare representatives.

The maximum height of ailoster is limited to 10 cm, but most often they and rebuces do not grow higher than 5-6 cm. The diameter is also limited to 6 cm.The ribs are weak, low, divided into small tubercles, the latter most often arranged in a spiral. The minimum number of ribs is 11. Spines in Ailoster and Rebucias are heterogeneous, but there are a lot of them, and, as a rule, they are very thin, bristle-shaped, about 0.5 cm long for radial spines and up to 3 cm for central ones. In one areola, you can count up to 30 thorns, due to which the entire cactus looks patterned and fluffy at the same time.

Blossoming of rebuts and ailoster

What rebuces and ailosters really do not know equal is in their pomp. Few competitors can compete with them on this basis. Due to the fact that the flowers bloom from the areoles only on the lateral surface of the stem and most often closest to the bottom, the cactus seems to be putting on a floral wreath. The flowers are large enough, solitary, sitting on pedicels that stand out in their length, funnel-shaped, opening wide.

At first glance, it is not easy to distinguish a blooming Aylostera from a rebutia. The only difference is in the details, which you will have to look at: in the Ailostera, the pistil is half fused with the tube, and the tube itself with the ovary is covered with hairs. But both cacti have glossy, bright flowers, they open only in clear weather and close at night, last at least 2 days and surprise with the beauty of bright yellow stamens.

Rebuces and ailosters bloom most often in the second, but definitely - in the third year. Most often, these cacti bloom in the summer, but under optimal conditions they can bloom not once, but twice. And the flowering time for some species is shifted to spring.

Ailosters are often referred to as solar cacti. But this statement is quite suitable for all rebutions. These cacti bloom with a fiery edge, offering orange, yellow-orange, orange-pink and pure reds to be admired.


Types of rebuts and ailoster

If everything is still completely unclear with the classification of the Isoloster, then it is much easier to understand the types of rebuts popular in room culture. Most often, there are rebuts with the most lush and vibrant flowering.

Tiny rebutia (Rebutia minuscula), which they like to call simply minuscule, and we have a very beautiful miniature cactus. The stem, up to 5 cm in diameter, appears spherical due to the flattened top. The tubercles on the ribs are arranged spirally; white spines in the areoles are numerous (up to 30 spines). Bright scarlet flowers with a light throat form a strikingly dense circle-ring. Previously, senile rebutia (Rebutia senilis) was also considered separately, but today the plants have been combined into one species.

Marsonera Rebutia (Rebutia marsoneri) - showy appearance, the blooming is usually spring. The dark stem and dark spines blend well with the yellow-orange flowers.

Among the rebuts, you should also pay attention to:

  • solar rebutia (Rebutia heliosa) with very long pedicels and tiny stems, against which the flowers seem gigantic;
  • zolotistotsvetkovuyu Rebutia (Rebutia chrysacantha) - lovely golden cactus thorns with pale yellow and orange-golden flowers;
  • Faybriga Rebutia (Rebutia fiebrigii) - cactus, whose bright orange flowers highlight the beauty of the figure of white thorns.

There are many more highly decorative varieties in the Ailoster genus, although the total number of species is several times inferior to rebuts. In indoor culture, 5 species are considered the most popular isylosters.

Rebutia solar (Rebutia heliosa)
Rebutia solar (Rebutia heliosa)
Tiny rebutia (Rebutia minuscula)
Tiny rebutia (Rebutia minuscula)
Rebutia marsoneri
Rebutia marsoneri

Ailostera white-haired (Aylostera albipilosa) is a dark green cactus with thick, white hair-like spines. The flowers are orange or red, up to 3 cm in diameter, up to 5 cm in length. This species has not been transferred to the genus Rebucius, its status is still debated.

Aylostera Kupperiana is a very beautiful cactus with a green or brownish base color and thin straight brownish spines forming a lace pattern of 13-15 radial spines and up to 3 central spines. The flowers correspond to the reddish tint of the entire cactus: wine or red-orange, they surprise with their size and greenish tint in the throat.

Aylostera Fiebrigii is a bluish-green cactus with a clear blue hue. The needle-shaped spines are long, located radially, the central spines change color to beige. Red flowers sit on purple pedicels and tubes.

Aylostera deminuta is a spherical, up to 6 cm in diameter cactus, bushy from the very base, with thin spines decorated with golden tips and yellow-orange flowers up to 3 cm in diameter.

Aylostera pseudodeminuta is a cylindrical species up to 10 cm high with white, glassy spines and central spines. Three centimeter flowers with an unusual shade of red stand out with a very long tube.

Because rebutia and ailostera breed easily and hybridize even more easily, species identification sometimes poses significant problems among these cacti. Many commercially available rebuts and ailosters are hybrids and their forms. If you want to grow specific "genuine" species, then it is better to purchase plants in specialized catalogs, cactus clubs or at specialized exhibitions.

Home care for rebuts and ailosters

There is nothing difficult in growing Isoster Rebutia. After all, these cacti are mountain species that are content with minimal maintenance. The only thing to worry about is the cold wintering, the conditions of which are somewhat different for the Ailoster. For the rest, the cultivation of this flowering fern is within the power of both experienced and novice growers. Becoming more beautiful every year, growing more and more, both rebutions and ailosters rightly prove that they deserve the title of unpretentious cacti.

Ayloster Kupper (Aylostera kupperiana), or Rebutia Kupper (Rebutia kupperiana)
Ayloster Kupper (Aylostera kupperiana), or Rebutia Kupper (Rebutia kupperiana)
Ayloster Fibrig (Aylostera fiebrigii), or Rebutia Fibrig (Rebutia fiebrigii)
Ayloster Fibrig (Aylostera fiebrigii), or Rebutia Fibrig (Rebutia fiebrigii)
Aylostera deminuta, or Rebutia deminuta
Aylostera deminuta, or Rebutia deminuta

Lighting for rebuts and ailoster

These cacti can be safely ranked among the most light-loving. Unlike many succulents, Ailosters are not afraid of direct sunlight and even prefer to grow in the sun. When choosing a place for them, they always stop on the brightest windowsill of all possible. Even the slightest shade will not work for these beauties.

Comfortable temperature

The temperature regime in winter is the main condition for the flowering of Ailoster and Rebutia. Without cold wintering, the cactus will not bloom, but it will also delight you with its attractive appearance and growth rate. For Iloster, the optimal performance is considered to be the range from 6 to 10 degrees, for rebutions - from 8 to 12 degrees. When buying rebutia, it is advisable to clarify the optimal temperature: it all depends on the habits of the plant, sometimes for new varieties, flower firms recommend wintering at 5 degrees Celsius.

But in the rest of the year, temperatures for these cacti can be anything - room temperature or hotter. They will gratefully respond to frequent ventilation and fresh air.

When growing rebuts, it should be borne in mind that these cacti are very fond of changes in day and night temperatures.

Watering and air humidity

Like all cacti, rebuts and ailosters require careful and discreet watering. Plants do not like dampness, but they are not sensitive to infrequent waterlogging, although they require accuracy and protection from moisture entering the stem. It is better to set the watering frequency according to the intensity of moisture evaporation and the temperature in the rooms. In summer, 1 watering per week is considered the optimal frequency for the Ailoster, but if the weather is hot and the plant is in the scorching sun, then watering can be carried out more often.

The winter watering regime is also determined by the temperature. Humidity for rebuts is reduced to a minimum, even at normal room temperatures. With a warm winter and when growing children with a diameter less than 3 cm, watering is carried out sparsely and rarely. When kept in the cold, watering is not carried out, limiting itself to a few drops of water to maintain viability only for very young plants. Usually this cactus is transferred to the winter dry period from mid-September and watering is resumed from mid-April or May.

The transfer of ailoster rebuts from a dormant period to abundant watering and back cannot be done abruptly. For a plant, it is necessary to reduce and increase the volume of water and the frequency of watering gradually, without sudden jumps, allowing the cactus to slowly "come out" from its previous state.

For the Iloster, only warm water is used, the temperature of which is slightly higher than the temperature in the room (after it has settled). Watering with hard water is undesirable.

Ailosters and rebutia are more tolerant of moisture, but they do not need to be sprayed or constantly kept in high humidity conditions. It is better to use a soft brush to clean the plant from dust.

Rebutia chrysacantha
Rebutia chrysacantha
Aylostera pseudodeminuta, or Rebutia pseudodeminuta
Aylostera pseudodeminuta, or Rebutia pseudodeminuta

Ailostera feed

Fertilizers for these cacti can not be used at all, but the timely application of low-concentrated fertilizers will help to achieve more lush flowering. Top dressing is carried out from April to September, once a month. For rebuts and ailoster, it is better to use special fertilizers for cacti.

Transplant and substrate

These cacti are rarely transplanted, as needed, if the plants have nowhere to develop. It is best to transplant in March, at the very beginning of growth, so that there is enough time for a full adaptation before optimal care begins.

It is very simple to choose a substrate suitable for rebutia or ailostera: it is advisable to grow these cacti only in a special substrate for cacti or soil mixtures for succulents - light, moisture-permeable, specific in composition, containing gravel and sand. For Ailoster, a 3-part leafy soil mixture with 1 part sand is often recommended, but it is better to use more complex substrates.

The transplant itself for both cacti is quite specific. Plants are not watered before transplanting to completely dry the soil. A drainage layer must be laid on the bottom of the pots, and the substrate is used completely dry, refusing to water after transplanting. The cacti are placed immediately in optimum bright light and warmth, but care is resumed only a week after transplanting from the first light watering. Be very careful with moistening for 2 - 3 months for transplanted rebuts and ailoster.

Diseases and pests

Both rebuts and ailosters are considered pest-resistant species. The only threat to these cacti is the spider mite, which is so fond of the typical conditions for rebuts. But it is also very rare. At the slightest sign of the appearance of pests, you should immediately begin treatment with insecticides in a weak concentration.

Common growing problems:

  • stretching of stems, loss of rounded shape in poor lighting;
  • stopping growth in the absence of transplantation and feeding for more than 1 year;
  • stopping growth with improper watering - poor in summer and abundant in winter;
  • the appearance of brown spots when water drops, high humidity in combination with direct sunlight, pest damage;
  • shrinking and rotting of the stem with too abundant watering during the winter.
Aylostera white-haired (Aylostera albipilosa), or white-haired Rebutia (Rebutia albipilosa)
Aylostera white-haired (Aylostera albipilosa), or white-haired Rebutia (Rebutia albipilosa)

Reproduction of rebuts and ailoster

These flower-crowned cacti multiply easily due to constant growth and tillering. Ailosters and rebuts allow you to freely separate the side shoots and plant them as independent specimens for rooting in a standard substrate. Such "babies" grow rather quickly and themselves give rise to large offspring, for several years "catching up" with the mother plant.

You can get ailosters from seeds. They are grown in a mixture of sand and substrate or stone granules and substrate, with top drainage, supplementary lighting for 2 years. Sowing is best done in wide low bowls, spreading the seeds at a distance of 2-3 cm so that you do not have to dive and "touch" young plants. For germination, a stable temperature of about 25 degrees is needed.

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