Floral Tempered
Orchid Types Distribution by Alan Stables
There are over 25,000 orchid types on the planet making the orchid family the biggest floral family known. Orchids can be distributed in many ways like how they live, taxonomy, the type of the root or climatic conditions they are used to.
Orchids can be divided into 5 main sub-families. Epidendroideae is the biggest orchid sub-family having more than 20,000 species. Orchidoideae is the 2'nd biggest sub-family with over 3,000 species. Both of these sub-families can be grown on any continent except Antarctica. Also they are considered to be sisters from a genetic point of view. Vanilloideae is also considered to be sister with the former two, and contains 180 species that can be found in tropical, subtropical and humid regions, especially in eastern North America. Cypripedioideae can be found in temperate regions and in the tropical parts of America and Asia, containing 130 species. The smallest subfamily is Apostasioideae with only 16 species scattered throughout south-western Asia.
Accordingly to the stem and roots of the orchid, we can distinguish two big categories: Monopodial and Sympodial. The difference is that the stem of a Monopodial orchid grows from a single bud, and gets longer in every year of the orchid's life. The stem can even reach a few meters long. In the case of a Sympodial orchid the plant produces a series of adjacent shoots which grow to a certain size, bloom and then stop growing, to be then replaced. Also a big difference is that a sympodial orchid will not grow too much vertically but more laterally.
Taking in consideration their lifestyle, orchids can be terrestrial, Epiphytic or lithophytes. Terrestrial orchids are those that grow on the ground, are rhizomatous and have the root caps smooth and white. Most of them live in forests or grasslands. Epiphytic orchids are those that live on trees or shrubs and are mainly found in tropics or subtropics. Their aerial roots can reach even a few meters long. Lithophytes orchids are those that live on rocks, and are rarer then Terrestrial and Epiphytic.
Also there are all kinds of orchid species used to all kinds of climatic conditions, so they can be divided into 3 main categories depending on the temperatures they are used to. There are orchids that grow in warm climates near 84°F (29°C), orchids that live in cold climates between 53°F - 75°F (12°C -24°C) and some intermediate orchids that need temperatures between 53°F - 75°F (12°C -24°C). For example Cattleya is an orchid that lives in hot environments while Cymbidiums or Masdevalias live in cold climates.
There are a lot of orchid types that can be divvied after many criteria; it's all about from what point of view you want to distinguish them.
About the Author
Alan Stables is a keen gardener, and one of his specialities is caring for orchids. Given optimum environment conditions depending on the various orchid types , the correct orchid food and the correct amount of sunlight and water, you too will be able to grow beautiful orchids in no time.
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