Sibdas ji
The two species can be conclusively differentiated from fruits and seeds.
The capsules of D. ferox are on erect stalks, lower spines are much shorter,
upper longer, seeds black or grey. In D. inoxia capsules are on recurved
stalks, spines almost equally longer, seeds yellow or brown. Could you
please locate plant with fruits?

-- 
Dr. Gurcharan Singh
Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089
http://people.du.ac.in/~singhg45/


On Sun, Feb 7, 2010 at 10:24 PM, sibdas ghosh <sibdasgh...@gmail.com> wrote:

> It is difficult to distinguish between the two sp. from Photos, but D.
> ferox is an introduced sp., unlikely to be found in a remote village of
> Bengal.
>
>
> On 7 February 2010 17:58, G URUMURTHI HEGDE <gurooji1...@gmail.com> wrote:
>
>> May you please check with*  Datura ferox  *once again.?
>>
>> On 2/7/10, Gurcharan Singh <singh...@gmail.com> wrote:
>>
>>> Sibdas ji
>>> I hope you are right
>>>
>>>
>>>
>>> --
>>> Dr. Gurcharan Singh
>>> Associate Professor
>>> SGTB Khalsa College, University of Delhi, Delhi-110007
>>> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
>>> Phone: 011-25518297  Mob: 9810359089
>>> http://people.du.ac.in/~singhg45/
>>>
>>>
>>>
>>> On Sat, Feb 6, 2010 at 10:33 PM, sibdas ghosh <sibdasgh...@gmail.com>wrote:
>>>
>>>> It is sadaadhutura (white Dhutura) - Datura metel (D. alba). I hope
>>>> the i.d. is correct. From Pingla , Midnapore Jan '10
>>>>
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>>>
>>>
>>>
>>>
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>>
>>
>
>
> --
> sibdas ghosh
>

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