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Friday, August 06, 2010

Moon Orchid Flower

Actually, this is my english assignment.. about Report Text :)
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=>     Phalaenopsis amabilis, commonly known as the Moon Orchid, is a species of orchid. This species is usually found in the eastern to southeastern regions of Asia. Plants in this genus are typically widespread in the areas of eastern Asia, such as China and Indonesia. This particular species wide-ranges from Indonesia to Australia. In fact, this species is one of Indonesia's national flowers (along with Jasminum sambac and Rafflesia arnoldii).
       Plants of this genus have a uniform structure that makes the identification easy for novice botanists. Phalaenopsis amabilis, like most of the other species in this genus, has a short stem. This is believed to be an adaptation to gain the light requirements needed to grow. The rooting of Phalaenopsis amabilis is usually unbranched. The only times it would be branched are if the roots are damaged or if the individual has gotten old in age. The leaves of Phalaenopsis amabilis are green with long shape. The moon orchid's flower is showy, membranous, white, the lip (the petals of an orchid) which is three-lobed, and the callus are a variety of yellow and red depending on the individual plant. It is able to bloom for a long period of time and can grow up to 10 cm in diameter and more.
       Phalaenopsis  amabilis reproduces sexually through pollination. This plant grows its flower to attract the pollinator. It is generally pollinated by large carpenter bees from the genus Xylcopa. For this particular species in the Phalaenopsis genus the pollination frequency and success rate is high (about 50%).
       Phalaenopsis  amabilis and the other species in the same genus grow naturally in three distinct habitats. The first is in seasonally dry areas, then seasonally cool areas and humid areas. For the seasonally dry habitats, Phalaenopsis species have an extreme adaptation in dry habitats by losing its leaves. They do this because in dry habitats, leaves are a serious liability when water isn't easily accessible. This adaptation typically occurs in species found outside the Himalayan region. For the habitats that are seasonally cool areas, these plant have a strong dormant rest period. In this dormant period, the plants have protection from the cold due to the high carbon to nitrogen ratio and low water content on the leaf tissue. The humid habitats are the most common places that someone can find many of the Phalaenopsis species. In this habitat, the species grow in the canopy evergreen forests, the species adaptation is growing leathery leaves to prevent desiccation and so that the plants can tolerate higher light levels than other species.


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