orchids are nature's most extravagant group of nowering world their number is decreasing due to their high plants distributed throughout the world from tropics to demand and population pressure. Many orchid species high alpine White and Sharma, 2000). They exhibit are threatened due to their habitat destruction and incredible range of diversity in shape, size and color of indiscriminate collection. their flowers. They are important aesthetically, medi At present, the orchids also figure prominently in the cinally and also regarded as ecological indicators(Joshi Red Data Book prepared by Intemational Union for et al., 2009). Several orchid species are cultivated for Conservation of Nature(IUCN). In fact, the entire family their various economic uses especially in floriculture. is now included in Appendix-ll of Convention on orchids are grown primarily as ornamentals and are international Trade in Endangered Species of Wild Fauna valued as cut flowers because of their exotic beauty and and Flora(CITES), where the intemational trade is strictly their long lasting blooming period(Hew et a 1997) controlled and monitored. Though orchids are grown primarily as omamentals. many are used as herbal medicines, food, and other cultural value by many different cultures and tribes in the different parts of world(Khasim and Rao, 1999: Kasulo et al., 2009). Though large population of orchid is still confined in their natural habitat, in many parts of the