Many thanks Tanayji for the poster showing differnce in Floral morphology. On Tue, Jun 15, 2010 at 11:29 AM, tanay bose <[email protected]> wrote:
> Dear Muthu, > There is difference in floral morphology kindly see my attachment. > Regards > Tanay > > > On Tue, Jun 15, 2010 at 11:16 AM, Muthu Karthick <[email protected]>wrote: > >> Dear all, >> Is the posted picture is *Brugmansia arborea* ( L. ) Lagerh. of >> Solanaceae? >> >> >> On Tue, Jun 15, 2010 at 10:40 AM, tanay bose <[email protected]>wrote: >> >>> Dear Vinay Ji, >>> I am not good when it comes to horticulture, any horticulturist members >>> out here if responses to you post may give you a better explanation. >>> Regards >>> Tanay >>> >>> >>> On Tue, Jun 15, 2010 at 10:37 AM, Vinay Das <[email protected]> wrote: >>> >>>> Very lucid answer Tanay, thanks a lot! It most certainly removed 'a bit >>>> of my doubts' as you so aptly put it! I've forgotten too much of my botany >>>> - >>>> only school level that too - to be totally doubt free! :) But I'm at least >>>> clear about this one aspect, thanks to you! >>>> >>>> -vnd >>>> >>>> >>>> On 15 June 2010 10:29, tanay bose <[email protected]> wrote: >>>> >>>>> Dear Vinay Ji, >>>>> >>>>> >>>>> A huge number of species from both Brugmansia as well as Datura are >>>>> developed into garden plants (as far as I know) from centuries; several >>>>> hybrids are regularly developed all round the world. Any and almost all >>>>> plant can regenerate its own kind through seed propagation. All the plants >>>>> today we see in our garden were wild at some period of time this is even >>>>> true for our crop plants. Domestication of a plant may not disable its >>>>> reproductive capacity but horticulturists many a times through experiments >>>>> have tried to generate plants through vegetative propagation. Many plants >>>>> do >>>>> not accepts the process of vegetative propagation and hence compel one to >>>>> propagate it through seeds. The case may be true for this to genera. >>>>> >>>>> Another very important point for which vegetative reproductions are >>>>> carried out in horticultural plants is heredity. When a plant reproduces >>>>> through seeds all of the daughter plants are not *in toto* with the >>>>> mother plant both genetically and morphologically (or can be same) the >>>>> reason has long been decipher by Gregor Mendel. Horticulturalists are not >>>>> always interested in genetic shift but are very selective when it comes to >>>>> morphological loss or shift which is not at all accepted by them. Hence >>>>> when >>>>> you propagate a plant through vegetative means they are *in toto* with >>>>> the mother plant (both genetically and morphologically) this is a good >>>>> option for them. This is the reason why many plants like roses, hibiscus >>>>> and >>>>> many more to say are propagated through stem cutting (vegetative). >>>>> >>>>> Hope this will remove a bit of your doubts, if you still have some feel >>>>> free to mail me back. >>>>> >>>>> Regards >>>>> >>>>> Tanay >>>>> >>>>> >>>>> >>>>> >>>>> On Tue, Jun 15, 2010 at 10:03 AM, Vinay Das <[email protected]>wrote: >>>>> >>>>>> Tanay ji, >>>>>> >>>>>> You wrote this : "Brugmansias do not come true from seed and are very >>>>>> easily propagated via cutting." But natural (i.e. w/o human intervention) >>>>>> propagation of Brugmansias must still rely on seeds right? Or are there >>>>>> plants that propagate *naturally* using bits of themselves >>>>>> (cuttings)? >>>>>> >>>>>> thanks, >>>>>> -Vinay >>>>>> >>>>>> On 15 June 2010 09:53, tanay bose <[email protected]> wrote: >>>>>> >>>>>>> Dear Preeti j, >>>>>>> >>>>>>> >>>>>>> There is nothing to get ashamed of and feel you are ignorant. Many >>>>>>> members of the group do have a passion for floristic diversity of India >>>>>>> but >>>>>>> may not know the scientific name or not aware of the botanical aspect >>>>>>> of the >>>>>>> plants. It is a common aspect of this group that we welcome all people >>>>>>> with >>>>>>> the vision to respect and love plant. You may be not aware of the >>>>>>> botanical >>>>>>> name but made the lovely effort to take its photo and post it out in >>>>>>> this >>>>>>> group where other members can see it and if possible identify it >>>>>>> (scientifically). Your as well as contribution from all members are >>>>>>> invaluable for us and will help us all to reach our goal to create >>>>>>> Eflora of >>>>>>> India. Contributions from all members have made this group largest of >>>>>>> its >>>>>>> kinds in India and probably of the world with 1241 members. >>>>>>> >>>>>>> Both Brugmansia & Datura are in the same family of Solanaceae. >>>>>>> >>>>>>> Brugmansia grow into trees, produce brown wood and are perennial in >>>>>>> warmer climates. 99% of their flowers point down and are usually called >>>>>>> Angels Trumpet. They produce green bean like seed pods. >>>>>>> >>>>>>> Datura are annual bushes (except in climates with no frost) and do >>>>>>> not produce brown wood. Their stems and trunks are almost always green. >>>>>>> Their flowers point up and are mistakenly called Angels Trumpet but are >>>>>>> actually Devils Trumpet. They produce round; spiky or bumpy seed pods >>>>>>> that >>>>>>> can literally explode when ripe throwing seeds all over the place if >>>>>>> the pod >>>>>>> is not well hydrated. >>>>>>> >>>>>>> Daturas are most easily propagated via seed and come true from seed. >>>>>>> Brugmansias do not come true from seed and are very easily propagated >>>>>>> via >>>>>>> cutting. >>>>>>> >>>>>>> "Datura is annual bushes (except in climates with no frost) and do >>>>>>> not produce brown wood. Their stems and trunks are almost always green." >>>>>>> Some varieties have BLACK stems and trunks (very gothic-looking). >>>>>>> >>>>>>> Datura as a genus has much more variation between species than >>>>>>> Brugsmansia. Most Brugsmansia look very alike with the exception of >>>>>>> Brugsmansia sanguinea and vulcanicola. Datura species on the other hand >>>>>>> have >>>>>>> several different growth habits and may be low lying, spreading, or >>>>>>> upright >>>>>>> with green to purple stems. Several species have hairy stems and leaves >>>>>>> especially Datura ferox. The most interesting Datura species I grow is >>>>>>> Datura ceratocaula, a semi-aquatic species from Mexico and South America >>>>>>> that has an unbranched stem with small leaves only at the apical >>>>>>> portion. >>>>>>> >>>>>>> Datura is a short lived perennial down here, and lives three to four >>>>>>> years, and does produce some brown woody trunks and stems. However, they >>>>>>> will never get more than about 4 feet tall, no matter how much you feed >>>>>>> them. There are some varieties of datura that actually sprawl. >>>>>>> >>>>>>> *All parts of both are extremely toxic.* The roots, stems, flowers, >>>>>>> leaves and seeds contain the chemicals atropine, scopolamine and >>>>>>> hyoscyamine >>>>>>> in varying concentrations. If you have toddlers or pets that like to >>>>>>> sample >>>>>>> plants you must take special care to make sure they cannot come in >>>>>>> contact >>>>>>> in anyway with either plant. If ingested it could kill them. >>>>>>> >>>>>>> *When handling either, make it a point not to touch your face, eat >>>>>>> or handle food until you have washed your hands.* There have been a >>>>>>> few posts in the last few months describing the symptoms of Solanaceae >>>>>>> poisoning. If you have ever experienced headaches, confusion or vision >>>>>>> problems after working with your Brugmansia or Datura, you have >>>>>>> inadvertently poisoned yourself. Most of the time you will not connect >>>>>>> the >>>>>>> two. I have poisoned myself unknowingly harvesting Datura seeds when I >>>>>>> had >>>>>>> open cuts on my fingers or neglected to wash my hands right after >>>>>>> harvesting >>>>>>> the seeds. >>>>>>> >>>>>>> (Ref: Garden Web) >>>>>>> >>>>>>> >>>>>>> >>>>>>> Regards >>>>>>> >>>>>>> Tanay >>>>>>> >>>>>>> -- >>>>>>> Tanay Bose >>>>>>> +91(033) 25550676 (Resi) >>>>>>> 9830439691(Mobile) >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "efloraofindia" group. >>>>>>> To post to this group, send email to [email protected]. >>>>>>> To unsubscribe from this group, send email to >>>>>>> [email protected]<indiantreepix%[email protected]> >>>>>>> . >>>>>>> For more options, visit this group at >>>>>>> http://groups.google.com/group/indiantreepix?hl=en. >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Tanay Bose >>>>> +91(033) 25550676 (Resi) >>>>> 9830439691(Mobile) >>>>> >>>>> >>>>> >>>> Press *ENTER* to look up in Wiktionary or *CTRL+ENTER* to look up in >>>> Wikipedia >>>> >>> >>> >>> >>> -- >>> Tanay Bose >>> +91(033) 25550676 (Resi) >>> 9830439691(Mobile) >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "efloraofindia" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<indiantreepix%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/indiantreepix?hl=en. >>> >> >> >> >> -- >> Muthu Karthick, N >> Junior Research Fellow >> Care Earth Trust >> Chennai - 61 >> www.careearthtrust.org >> > > > > -- > Tanay Bose > +91(033) 25550676 (Resi) > 9830439691(Mobile) > > > -- Muthu Karthick, N Junior Research Fellow Care Earth Trust Chennai - 61 www.careearthtrust.org -- You received this message because you are subscribed to the Google Groups "efloraofindia" 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.com/group/indiantreepix?hl=en.
