Orchids They are, without a doubt, one of the most fascinating families of plants, not only because of the extraordinary variety of shapes, colors and aromas of their flowers, but also because of their ability to adapt to such diverse habitats ranging from tropical rainforests to cold, mountainous areas. Over time, they have become a symbol of elegance, exoticism and sophistication., conquering the homes and gardens of millions of people passionate about nature.
You may not know it, but they exist. thousands of species of orchids spread throughout the world and each one has such unique characteristics that you could spend a lifetime discovering them and there would always be a new one to surprise you. In this article, we take you by the hand through its history, classification, types, curiosities and All the details you need to identify and care for each variety, regardless of your experience as a gardener.
What are orchids and why do they inspire so much passion?
Orchids belong to the Orchidaceae family., one of the most extensive among flowering plants, with more than 25.000 recognized species and more than 100.000 hybrids created by humans. This diversity makes them a true universe within the plant world..
One of its most striking features is the complexity and symmetry of its flowersThey are easily recognizable because they have a unique structure: three sepals and three petals, one of them called label, larger in size and often with a more intense color than the rest, which serves to attract very specific pollinators.
Furthermore, its adaptability is so great that They are found in almost any climate on the planet, except in the extremes of the desert or the polar regions. And although many people believe that orchids only grow in the humid tropics, the reality is that there are terrestrial, epiphytic (tree-dwelling) species, and even some that thrive in underground environments.
El Etymological origin The origin of the word orchid is quite curious: it comes from the Greek “orchis”, which refers to the shape of the tubers in certain terrestrial species, similar to testicles, something that already caught the attention of ancient Greek botanists.
Along the centuries, Orchids have been the object of admiration and varied usesIn ancient Greece, they were believed to possess healing and aphrodisiac powers; the Aztecs perfumed cocoa with vanilla, an orchid; and in China, they have been given a privileged place in art and gardening for millennia.
Main characteristics of the Orchidaceae family
Entering into more technical but relevant aspects when identifying the types of orchids, stand out for the following features:
- Great morphological diversityFrom tiny plants measuring just a few millimetres to species that reach several metres in height or long tropical vines.
- Bilateral symmetry of flowers: Their flowers usually have an almost perfectly symmetrical shape, which makes them so attractive and appreciated in floristry and floral art.
- Specialized pollination systems:Each species is usually adapted to one or more specific pollinators, which explains the variety in shapes, colors and aromas.
- Aerial roots and pseudobulbsMany epiphytic orchids have spongy roots (velamen) that absorb moisture from the environment, while others develop pseudobulbs that store water and nutrients, helping them survive periods of drought.
- Leaves adapted to the environment: Thick, fleshy leaves in species from dry environments, and thinner, softer leaves in species from humid tropical climates.
- Monopodial and sympodial growthSome orchids develop a single main stem (monopodial) while others grow by generating multiple lateral shoots (sympodial).
For all this, the complexity and diversity of orchids making them one of the great botanical challenges and passions for both amateurs and specialists.
Origin, history and worldwide distribution of orchids
Orchids have accompanied humans since ancient times. Written records exist of their cultivation in China dating back more than 1.500 years, and it is known that in Vanilla (Vanilla planifolia) was used in Mesoamerica. to flavor drinks intended for the Aztec nobility.
El rise of orchid mania In Europe it occurred in the 18th and 19th centuries, when the arrival of tropical species from Central and South America unleashed a real fever to possess and cultivate these exotic flowers among the nobility and the upper bourgeoisie.
Today, orchids are distributed worldwide, except for the poles and extremely arid deserts. Their largest concentrations are found in tropical areas of South America (Colombia, Ecuador, Brazil), Southeast Asia, and mountainous regions of Africa and Oceania. The flora of Mexico It is home to many unique species of orchids.
Colombia It is considered the country with the greatest variety, where there are approximately 4.270 registered species of orchids, which reflects its enormous biodiversity.
Botanical classification of orchids
Orchids belong to the kingdom Plantae, division Magnoliophyta, class Liliopsida, order Asparagales or Orchidales, family OrchidaceaeWithin this family, we recognize five main subfamilies: types of orchids which group together very varied genera and species.
- Apostasioideae: Considered the most primitive orchids.
- Cypripedioideae: Known as lady's slipper orchids, due to the sack-like shape of their labellum.
- epidendroidae: Subfamily that groups the largest number of tropical epiphytic orchids.
- orchidoideae: Includes terrestrial orchids with fleshy tubers or rhizomes.
- vanilloideae: Where vanilla, the only genus of liana orchids of economic importance, is found.
Each subfamily, in turn, is divided into hundreds of genera and thousands of species, making classification complex but very interesting for anyone who wants to delve deeper beyond simple aesthetic appreciation.
Main genera and species of orchids: the most popular types
Discuss types of orchids It can refer to both pure botanical species and human-derived hybrids. Below, we present the most well-known and appreciated varieties, both for their beauty and ease of cultivation.
1. Phalaenopsis Orchid (Butterfly Orchid)
Phalaenopsis It is probably the best-selling genus in florists and nurseries around the world. It is known as the butterfly orchid because the shape and arrangement of its flowers are reminiscent of these winged insects. Native to Southeast Asia, its flowers can last for months and come in a wide range of colors: white, pink, yellow, violet and two-color combinations.
They are ideal for growing indoors because they tolerate warm and humid environments well and They do not require too much care, making them perfect for beginners. The main care is to avoid overwatering and direct exposure to sunlight.
2. Dendrobium Orchid (Bamboo Orchid)
Dendrobium It is a very diverse genus, with more than 1200 species distributed from the Himalayas to Australia. The orchid Dendrobium nobile, also called bamboo orchid due to the shape of its stems, stands out for its clusters of small flowers that completely cover the stemsIt blooms easily in spring and can display white, pink, lilac or yellow flowers.
It requires very bright environments but without direct sunlight, and a more moderate watering regime in winter, when it enters a vegetative dormancy.
3. Cymbidium Orchid
Cymbidium They are appreciated for their long and dense inflorescences, which clusters large, elegant flowers, also widely used in cut flower arrangements. They can be grown both indoors and outdoors and tolerate cooler temperatures than other species.
Their colors range from white to green, including yellow, orange, and pink. Basic care involves keeping them in well-lit locations and respecting the dormant periods after flowering.
4. Cattleya Orchid
Known as the queen of orchids for their large, fragrant flowers with wavy-edged petals, the Cattleya It is native to Central and South America. Many species are native to Latin American countries, such as Cattleya mossiae (Venezuela) and Cattleya trianae (Colombia), they are cattleyas.
It prefers warm, sunny locations with some shade, and flowering periods usually occur once a year, although current hybrids can flower several times.
5. Oncidium Orchid (Dancing Orchid)
Oncidium They are nicknamed dancing orchid for the characteristic shape of its flowers, which look like small dancing female figures. The deep yellow ones, known as Gold rain, although there are also those mottled with red, brown and white.
They are hardy orchids that can survive short periods of drought, so they don't require frequent watering. They are ideal for those looking for a striking, easy-care plant.
6. Paphiopedilum Orchid (Lady's Slipper Orchid)
Paphiopedilum, known as lady's slipper orchids, have a sac-like labellum that acts as a natural trap for pollinators. They are hardy and can be grown indoors or outdoors, but they must be avoided during flowering.
Its flowers stand out for their original shapes and variety of colors and patterns, with shades ranging from white to intense maroon.
7. Zygopetalum Orchid
Zygopetalum is another fantastic genre for beginners or those looking for a easy-care orchidIt owes its name to the special shape of its petals, which are joined together like a yoke. Its flowers come in green, purple, lilac, and blue, with remarkable fragrances and very long-lasting blooms.
It prefers cool, well-lit locations, making it perfect for bright bathrooms and kitchens.
8. Ludisia discolor Orchid (Jewel Orchid)
La ludisia discolor, Also called jewel orchid, is one of the few terrestrial orchids. The most spectacular feature of this plant isn't its flowers, but its leaves, dark green with pink or gold veins. Its flowers are small and white.
It is ideal for those who prefer an orchid that grows on the ground, without the hassle of aerial roots.
9. Cambria Orchid
Cambria It is not a botanical genus, but a commercial name that groups hybrids obtained from species such as Odontoglossum, Oncidium, Miltonia, among others. They are orchids with spectacular flowers, with petals in shades of pink, orange, red and white and very varied shapes.
These plants are characterized by being resistant and adaptable to different environments and have become very popular due to their ease of cultivation and frequent flowering.
10. Vanda Orchid
vanda impress with their large flowers with extraordinarily intense colors, especially in shades of blue, purple, and fuchsia. They are native to Southeast Asia and require high levels of light, constant humidity, and warm temperatures to thrive and flourish. White orchids They also belong to this genus in their special varieties.
The beauty of Vanda flowers makes them some of the most coveted for collectors and lovers of advanced gardening.
11. Coelogyne Orchid
Coelogyne It groups species originating mainly from Asia, with elegant flowers and hanging clustersThey are medium-sized epiphytic orchids that typically bloom in spring. They are notable for their white or brown flowers with yellow and orange accents in the center.
12. Lycaste Orchid
Por último, la Lycaste It is a unique orchid native to Central America, with flowers that can reach up to 20 cm in diameter. It comes in cream, brown, green, and even pink colors. It's a plant that requires some experience, as it requires specific care in the substrate and humidity.
La list of types of orchids It is almost unmanageable, but these genres are undoubtedly the most representative and popular both in floristry and in botanical collections.
General cultivation and care of orchids
Whether you are a beginner or already have experience, knowing how to care for orchids It's essential to enjoy its spectacular blooms year after year. Although each type has its own preferences, there are some very useful common guidelines:
- Energy: They need bright environments, but always avoid direct sunlight, especially during the central hours of the day.
- Temperature: Most prefer temperatures between 18 and 25 ° C, never lower than 16 °C.
- Irrigation: It's better to underwater than overwater. Water when the substrate is dry to the touch. For epiphytic species, soak the pot in water for 10-15 minutes and drain well to prevent root rot.
- HumidityThey love humidity, especially tropical species. Use trays of water nearby, spray water around them, or group them together to increase humidity.
- SubstratumChoose one specifically for orchids, made from pine bark, moss, and perlite. Don't use regular soil.
- Subscriber: Fertilize once a month with specific fertilizer for orchids, always diluted and never on dry roots.
- Pruning: Once flowering has finished, cut the flower stem above the third node to encourage new growth.
- Transplant: Change the pot only when the substrate is decomposed or the roots appear from underneath (every 2-3 years).
Curiosities and surprising facts about orchids
- The smallest variety is Bulbophyllum minutissimum, with only 3-4 mm in height.
- Sobralia altissima, originally from Peru, holds the record for the tallest orchid in the world, reaching more than 13 meters.
- Number seeds per capsule can exceed 4 million, thanks to their tiny size and lack of endosperm: in nature they only germinate if they enter into symbiosis with a fungus.
- La Vanilla (Vanilla planifolia) It is the only representative of the family that has large-scale nutritional and economic value.
- 97% of orchid species require animal pollinators, especially insects, although there are species that have developed self-fertilization mechanisms or even imitate the appearance and smell of female insects to attract males and ensure reproduction.
- Some terrestrial orchids have double tubers and its name, 'orchis', refers to its resemblance to testicles.
- In some countries like Türkiye, the powder of its tubers is used to prepare a typical drink called ointment.
- La duration of its flowers It can last from just one day to several months, and its aromas range from delicate, floral fragrances to unpleasant odors in some species of Bulbophyllum.
How to propagate orchids: methods and techniques
There are several ways to multiply orchids:
- By division: In sympodial species (Cattleya, Dendrobium, Oncidium) the rhizome or pseudobulbs can be divided into at least 3-4 segments, planting each section separately.
- By hijuelosSome species generate shoots or “keikis” at the nodes, which can be separated and planted individually once they develop roots.
- By seeds: Requires a laboratory and sterile media, as seeds require a symbiotic relationship with fungi to germinate and grow. This technique is reserved for institutions, professional nurseries, and laboratories.
- In vitro by meristems: It consists of taking the tip of a root or shoot and growing it in a culture medium under controlled conditions.
La simpler home propagation It is always the division of the mother plant or the transplantation of suckers, a guarantee of obtaining genetically identical plants in much less time than germination by seed.
Representative orchids by world region
- Cattleya mossiae, national flower of Venezuela.
- Cattleya trianae, Colombia's national flower.
- Guarianthe skinneri, national flower of Costa Rica.
- Lycaste virginalis, national flower of Guatemala.
- Peristeria elata, national flower of Panama.
- Rhyncholaelia digbyana, national flower of Honduras.
These orchids, in addition to their aesthetic value, have profound cultural significance in their respective countries, serving as inspiration for artists, poets, and gardeners.
Tips for choosing the ideal orchid for your home
- For bright and dry environments: Cattleya, Oncidium and Vanda are excellent choices.
- For illuminated bathrooms and kitchens: Zygopetalum, Ludisia discolor and Paphiopedilum enjoy ambient humidity.
- For starters: Phalaenopsis and Dendrobium require less maintenance, tolerate small mistakes and flower easily.
- For experienced collectors: Lycaste, Coelogyne or rare hybrids present a nice and satisfying challenge.
Before purchasing one, make sure its roots are firm and white or green, that the leaves are fleshy and free of blemishes, and that it doesn't smell damp or rotten. This way, you'll ensure a healthy plant and spectacular flowers.
How to propagate orchids: methods and techniques
There are several ways to multiply orchids:
- By division: In sympodial species (Cattleya, Dendrobium, Oncidium) the rhizome or pseudobulbs can be divided into at least 3-4 segments, planting each section separately.
- By hijuelosSome species generate shoots or “keikis” at the nodes, which can be separated and planted individually once they develop roots.
- By seeds: Requires a laboratory and sterile media, as seeds require a symbiotic relationship with fungi to germinate and grow. This technique is reserved for institutions, professional nurseries, and laboratories.
- In vitro by meristems: It consists of taking the tip of a root or shoot and growing it in a culture medium under controlled conditions.
La simpler home propagation It is always the division of the mother plant or the transplantation of suckers, a guarantee of obtaining genetically identical plants in much less time than germination by seed.
Common problems and solutions in orchid care
Like other plants, orchids can be affected by plagues and diseases, as well as errors in watering, light or substrate. The origin of vanilla It is also related to the care and cultivation of these flowers.
- Rotten roots: This is usually due to overwatering or poor drainage. Solution: Cut off damaged roots and replant with fresh substrate.
- Leaf spots: This could be due to fungus caused by excess moisture or direct sunburn. Adjust the location and remove damaged leaves.
- Fleas, mealybugs or mites: They are controlled by cleaning the leaves with soapy water or using specific products for indoor plants.
- Lack of flowering: It's usually a sign of insufficient light, overfertilization, or inadequate temperature. Adjust conditions and be patient; some species only bloom once a year.
Orchids and their cultural, ornamental and economic importance
Orchids not only beautify homes and gardens, but have been venerated in many cultures as a symbol of elegance, love, and mysticism. It includes many orchids that represent its biodiversity and culture.
In countries like Japan and China, orchids are featured prominently in art and landscaping, associated with purity and perfection. In the West, they fascinated collectors and botanists, becoming essential elements in high society in the 18th and 19th centuries.
Today, The global orchid industry moves millions of dollars In cut flowers, nursery plants, and research. Thailand, Taiwan, Japan, and Colombia are some of the world's leading orchid producers and exporters. It also includes orchids for their symbolism.
What's more, the vanilla, an essential condiment in international gastronomy, is the fruit of a tropical orchid, which gives an idea of its relevance beyond simple decoration.
