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Orchids have two vegetative growth types, monopodial and sympodial. Monopodial growth refers to shoots that grow in only one direction, usually vertical. |
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The more common growth pattern is sympodial, where the orchid stems grow along the surface and develop multiple growing points. |
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It is common for this type of orchid to have swollen organs called pseudo-bulbs. These organs store food and water. Generally speaking, orchids that have pseudo-bulbs don't need to be watered as frequently as those without. |
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The leaves of both of these types of orchid are usually thick and leathery with very few markings. |