Thanks Satish ji for simplifying the differentiation.

-- 
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 Thu, May 6, 2010 at 8:31 PM, Satish Phadke <drsmpha...@gmail.com> wrote:

> Gurcharan ji
> Very nicely illustrated photographs of both the species.
> The easiest way to remember the difference in simple words.
> The corona highly elevated like a pyramid sometimes even above the
> petals.....*C.gigantea.*
> Petals high above the corona which is near bottom of the
> flower.......................*C. procera*
> Both the plants including the white variety are common in Pune.
> Dr Phadke
>
> On 5 May 2010 21:56, Gurcharan Singh <singh...@gmail.com> wrote:
>
>> I have dug out differences between two species of Calotropis C. procera
>> and C. gigantea, often confused. I am also uploading the photographs to
>> compare.
>>
>> C. procera: Flower buds subglobose; corolla 1.5-2 cm across; lobes broadly
>> ovate or ovate-triangular, 0.7-1 cm long;  corona lobes equalling or
>> exceeding gynostegium, straight on back above spur; apex bifid without
>> auricles.
>>
>> C. gigantea: Flower buds cylindrical; corolla 2.5-3.5 cm across; lobes
>> long ovate or oblong, 1-1.5 cm long, reflexed; corona lobes shorter than
>> gynostegium, curved on back above spur; apex rounded with two auricles.
>>
>> I am uploading my photographs.
>>
>>
>> --
>> 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/ <http://people.du.ac.in/%7Esinghg45/>
>>
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>


-- 
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/

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