Thanks Pankaj ji for Detailed Information about Coelogyne
On Thu, Oct 17, 2013 at 9:14 PM, Satish Phadke <[email protected]> wrote: > Thanks for the detailed description. > The meaning of the genus name is interesting. > > Dr Satish Phadke > > > On 17 October 2013 16:26, Pankaj Kumar <[email protected]> wrote: > >> Coelogyne Lindl. 1821, is a genus of over 200 sympodial epiphytes from >> the family Orchidaceae, distributed across India, China, Indonesia and >> the Fiji islands, with the main centers in Borneo, Sumatra and the >> Himalayas. They can be found from tropical lowland forests to montane >> rainforests. A few species grow as terrestrials or even as lithophytes >> in open, humid habitats. The genera Bolborchis Lindl., Hologyne >> Pfitzer and Ptychogyne Pfitzer are generally included here. The genus >> is abbreviated Coel in trade journals. >> >> The wide distribution of this genus has resulted in a wide variety of >> temperature variation from species to species, some requiring cool to >> cold conditions to grow and bloom reliably, while others need >> decidedly warmer temperatures to achieve the same. >> >> The scientific name is derived from the Greek words koilos (hollow) >> and gyne (woman), referring to the concave stigma. >> >> This genus lacks the saccate base of the labellum, a typical >> characteristic which is present in the other genera in the subtribe >> Coelogyninae. The free lip has high lateral lobes along the basal part >> of the labellum (hypochile) and smooth, toothed or warty keels. >> >> The pseudobulbs of one internode vary in size. They may be closely or >> widely spaced through sympodial growth along the rhizome. >> >> Inflorescences often show a small to very large number of showy, >> medium-sized to large flowers. They may arise either from the apex of >> the newly completed pseudobulb at the end of the growing season (as in >> Coelogyne fimbriata), or may precede the new growth in early spring >> (as in Coelogyne cristata). The typical colour range of this genus is >> white, through tawny brown to green, and occasionally peachy tones. >> All species have four pollinia. >> They have often a sweet scent, attracting different kinds of >> pollinators, such as bees, wasps and beetles. >> A few species are commonly known as 'necklace orchids', because of >> their long, pendant, multi-flowered inflorescence. >> >> The cooler growing species such as Coelogyne fimbriata, Coelogyne >> ovalis, Colegyne fuliginosa, Coelogyne cristata, Coelogyne flaccida, >> Coelogyne nitida originate in the Himalayan region of India and >> southeast Asia. They require a decided rest period during winter >> during which they receive no feed, very little water (enough to >> prevent pseudobulbs shrivelling), cool to cold temperatures and high >> light. These conditions seem to aid flowering in spring for some >> growers, though others report that more constant conditions can also >> produce regular flowering. >> >> Coelogyne hybrids include: >> Coelogyne 'Memoria W. Micholitz' (C. mooreana × C. lawrenceana) >> Coelogyne 'Linda Buckley' (C. mooreana × C. cristata) >> Coelogyne 'Burfordiense' (C. pandurata × C. asperata). >> Coelogyne 'South Carolina' (C. pandurata × C. burfordiense), sometimes >> called "the black orchid" because of the black coloration of the >> heavily patterned and structured lip. >> >> The traditional taxonomy of the genus Coelogyne is still disputed. >> Coelogyne has been subdivided in 23 sections or subgenera by De Vogel >> (1994) and Clayton. Molecular data show that Coelogyne is paraphyletic >> and should be reorganised. It should include the genera Neogyna and >> Pholidota, and several sections should be removed, including >> Cyathogyne, Tomentosae, Rigidiformes, Veitchiae and Verrucosae. This >> new genus Coelogyne should then contain about 160 species. >> >> SOURCE: WIKIPEDIA >> >> -- >> *********************************************************** >> Pankaj Kumar, Ph.D. >> IUCN-SSC Orchid Specialist Group Asia >> >> Office: >> Conservation Officer >> Orchid Conservation Section >> Flora Conservation Department >> Kadoorie Farm and Botanic Garden (KFBG) Corporation >> Lam Kam Road, Tai Po, New Territories, Hong Kong. >> Residence: >> 151, 1st Floor, Tai Om Tsuen >> Lam Tsuen, Tai Po, New Territories, Hong Kong. >> >> email: [email protected]; [email protected] >> Phone: +852 2483 7128 (office - 8:30am to 5:00pm); +852 9436 6251 >> (mobile). Fax: +852 2483 7194 >> >> -- >> You received this message because you are subscribed to the Google Groups >> "efloraofindia" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/indiantreepix. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/groups/opt_out. > -- Regards Dr Balkar Singh Head, Deptt. of Botany and Biotechnology & Horticulture Incharge Arya P G College, Panipat Haryana-132103 09416262964 -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. 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