Good information Rawat Ji Thanks for sharing
On Fri, Oct 11, 2013 at 5:28 PM, Pankaj Kumar <[email protected]>wrote: > Wonderful.... thanks for sharing. > Dactylorhiza hatagirea is one unique name too. But genus and species > epithet means the same thing, PALM SHAPED. > Dactylorhiza - Dactyl or palm like root; hatagirea - from sanskrit > palm like root.... > Very few of such unique names exist in botany.... > Pankaj > > On Fri, Oct 11, 2013 at 6:01 PM, D.S Rawat <[email protected]> > wrote: > > Alpine zones in the Himalaya have short growing season lasting for 6-7 > > months only and rest of the time these areas remain covered with snow. In > > such a short growing season plants have to grow, produce flower, compete > for > > pollinators, set seeds and disperse them to complete their life cycle. > Many > > of the plants including alpine orchids (Dactylorhiza hatagirea, Goodyera > > fusca, Malaxis muscifera, Malaxis cylindrostachya etc) form flower/ > > Inflorescence or entire aerial parts of plant body in miniature form > inside > > their perennation (overwintering) bud. It is an advance preparation for > > early and rapid growth in next season. Since all the parts are preformed > > rapid growth is possible after snow melt. But what could be the source of > > energy for such rapid growth? In D.hatagirea each year a new hand shaped > > tuber is formed underground which is full of stored food (carbohydrates) > > earned in current years photosynthesis, while stored food of last year’s > > tuber is used up for rapid growth. So each year one new tuber is formed > > while older tuber is exhausted. Both of these tubers can be seen at the > end > > of season (September-October), one turgid- full of stored food, while > other > > shrunk and decaying devoid of stored food. Attached picture tells the > story. > > > > Source: My own observations > > > > DSRawat Pantnagar > > > > -- > > 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. > > > > -- > *********************************************************** > 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. > -- 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. 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.
