Useful related publication.
Oudhia, P. (2008). Invasive Alien flora of India used in Traditional Healing in Chhattisgarh. http://www.Ecoport.org Pankaj Oudhia On Thu, Nov 6, 2008 at 7:59 PM, J.M. Garg <[EMAIL PROTECTED]> wrote: > I found an earlier Indiantreepix link on similar lines at: > http://groups.google.co.in/group/indiantreepix/browse_thread/thread/5155b849f928d798/23ad27fb01d5d3f4?lnk=gst&q=Exotic+plants+++#23ad27fb01d5d3f4 > from Indiantreepix Database: > *Zz Beware of invasive plants. * ** ** ** ** Exotic plants - > indiantreepix | Google > Groups<http://groups.google.co.in/group/indiantreepix/browse_thread/thread/744fa733fe97bf8d> > Exotic > Plants - indiantreepix | Google > Groups<http://groups.google.co.in/group/indiantreepix/browse_thread/thread/5155b849f928d798/23ad27fb01d5d3f4?lnk=gst&q=Exotic+plants+++#23ad27fb01d5d3f4> > > On Thu, Nov 6, 2008 at 6:58 PM, Anand Kumar Bhatt <[EMAIL PROTECTED]>wrote: > >> I can only say small consolation. Surprise of surprise, it is also used as >> a decorative tree, with yellow cluster of flowers. I have my views and I >> think the pluses fail to outweigh the minuses. >> There is another tree- Acacia mangium. I have been told that it was >> earlier being encouraged by tamilnadu Forest Dept. but it was found that it >> is invasive, and it does not allow local vegetation to grow. But one hears >> so much about its timber: it is B grade, and the advantage is that it is a >> fast growing tree. We do need more info about this tree. >> Best wishes, >> akbhatt >> >> On Thu, Nov 6, 2008 at 5:26 PM, Padmanabhan Geetha <[EMAIL PROTECTED]>wrote: >> >>> I am told that *prosopis juliflora* yields a good variety of >>> charcoal/coal when its trunk is burnt. Has any one heard something similar? >>> I also see this plant being used as fuel, as fences to guard fields from >>> grazing animals etc. >>> geetha >>> >>> On Thu, Nov 6, 2008 at 11:31 AM, Anand Kumar Bhatt < >>> [EMAIL PROTECTED]> wrote: >>> >>>> I had some time back written a short piece on invasive plants which I >>>> am attaching below. >>>> SriSriAgri has also come out with a list of no-no trees. However they >>>> have included acacia which is wrong as many varieties of acacia are very >>>> useful. >>>> Best wishes, >>>> akbhatt *Beware of Exotic Plants* >>>> >>>> * * >>>> >>>> Beware of exotic plants. I will reel off what they have done to the >>>> ecology of this country. >>>> >>>> >>>> >>>> First in the list: *water hyacinth*. It is said that it was brought by >>>> an English lady on a boat from South America who was enchanted with the >>>> purple flower and the deep green leaves. One hundred years later, it has >>>> choked waterways and sucked the life-giving oxygen needed for small >>>> aquatic beings. >>>> >>>> >>>> >>>> Second, *lantana.* It is is said that it was brought again from South >>>> America during the World War II by some soldier who was attracted by its >>>> gaudy efflorescence. Sixty years later it has become the worst weed on >>>> land, usurping the space and nutrition that could be used by more useful >>>> plants. >>>> >>>> >>>> >>>> Third: *eucalyptus*. Which is now so indigenised that it is called >>>> Nilgiri. The name came because it was first introduced in the Nilgiris. >>>> There are 700 species of the tree. However, what we see in India is >>>> *citriodora >>>> * which is lemon-scented variety. Only for some time it has been >>>> discovered that its rate of transpiration is high and it lowers the >>>> water-table. The Forest Dept has stopped using it. However, it has covered >>>> a >>>> vast area. One advantage the tree has is that it is quick-growing and it >>>> gives straight logs that can be used in village houses. >>>> >>>> >>>> >>>> Next*, ipomoeia*. In countryside it is known as besharam as it is so >>>> hardy. This was brought from Australia. Was introduced in villages mainly >>>> for fencing purposes. Half a century later it has become a nuisance in the >>>> villages occupying large tracts of land. >>>> >>>> >>>> >>>> Fifth, *vilayati babool* (*prosopis juliflora*). Brought from South >>>> America, I think. For reclamation of ravines, its seeds were spread >>>> from planes and helicopters. Desi babool (acacia nilotica/arabica) gives >>>> timber which is used for agricultural implements. Also it is used by birds >>>> for nesting as being thorny it is safer from predators. But prosopis is >>>> more >>>> bushy and so dense it it impossible for the birds to nest. It does not >>>> yield >>>> any timber. >>>> >>>> >>>> >>>> Sixth, *acacia auriculiformis*. Again brought from Australia. This >>>> looks like miniature eucalyptus. The Forest department is very fond of >>>> it as it is quick growing and hardly needs any care. Widely used to satisfy >>>> environmentalists for substitute plantation. Life I am told is 30-35 >>>> years and apart from its bio-mass it hardly has any use. Another >>>> useless item in the stable of firangi plants. >>>> >>>> >>>> >>>> Next, *gajar grass*. They say its seeds came with the hybrid Mexican >>>> wheat when it first came to India. That is not too far back. Four decades >>>> or >>>> even less. And it has become a menace, more so because its flower is highly >>>> allergic, and the leaves injurious to the human skin. >>>> >>>> >>>> >>>> And last in the list, *subabool* (*leucaena leucocephala*). Again >>>> quick-growing reaching its full height of about 8 metres in about 3 years. >>>> It was earlier known as koobabool. Then somebody convinced Mrs. Gandhi (the >>>> original) of its virtues. It is nutritious for the cattle. However, it has >>>> also faded into oblivion as otherwise it hardly has any use. >>>> >>>> There is only one success story of silviculture of Indian forestry. And >>>> that is Teak. The efforts to propagate the stately shaal (shorea robusta) >>>> under whose shade Sidddhartha or Gautam Buddha was born, have been a >>>> miserable failure. Anyway it is time to think of relying on local varieties >>>> instead of directly lifting some from abroad which may ultimately prove to >>>> be not so adaptable or not so useful. >>>> >>>> >>>> >>>> Here I would also mention two garden trees which are unbelievably >>>> beautiful flowering trees, pride of any large or mid-sized garden. They are >>>> Chinese Bauhinia (*Bauhinia blakeana* ) and *Chorisia speciosa*. B. >>>> balakeana is a sterile tree so it can only be propagated by cutting. This >>>> was discovered by the English in Hongkong from a house in ruins. It must >>>> have been brought by the Bristish. The second is a treat to the eyes which >>>> has been planted in plenty in the rooudaboouts of New Delhi. This has been >>>> brought after Independence from South America. Though it is not directly >>>> connected with our topic but I could not resist mentioning them! >>>> >>>> >>>> >>>> *** *** *** *** >>>> *** *** >>>> >>>> >>>> >>>> >>>> ~~~~~~~ >>>> >>>> >>>> >>>> On Sun, Nov 2, 2008 at 2:15 PM, Yogesh Pathak <[EMAIL PROTECTED]>wrote: >>>> >>>>> >>>>> Hello all, >>>>> >>>>> I think in the campaign to reduce non-native trees and grow natives, >>>>> its quite important for the common man to know which trees are non- >>>>> natives. Does anyone here have a list of these destructive, self- >>>>> multiplying non-natives, ideally along with pictures (say close-ups of >>>>> leaves for identification). >>>>> >>>>> Such lists / leaflets should be distributed en masse to schools, >>>>> housing societies etc, so that they don't blindly plant the non- >>>>> natives. We see such planting happening practically everywhere in our >>>>> urban areas. >>>>> >>>>> Thanks, >>>>> Yogesh >>>>> Gwalior. 474 005. >>>>> Tele: 0751-247 2233. Mobile 0 94253 09780. >>>>> >>>>> >>>>> "We often ignore the beauty around us" >>>>> Creating Awareness about Indian Flora & Fauna: >>>>> http://en.wikipedia.org/wiki/User:Jmgarg1 >>>>> For learning about our trees & plants, please visit/ join Google >>>>> e-group (Indiantreepix) >>>>> http://groups.google.co.in/group/indiantreepix?hl=en >>>>> >>>>> >>>>> >>>>> >>>>> --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "indiantreepix" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.co.in/group/indiantreepix?hl=en -~----------~----~----~----~------~----~------~--~---
