[efloraofindia:34112] Calotropis species

[Gurcharan Singh]

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/

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[Pardeshi S.]

Singh ji
Calotropis gigantea is also found in the color shade of violet (like
that of C. procera).
Regards

On May 5, 9:26 pm, 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: 9810359089http://people.du.ac.in/~singhg45/

>
> --
> You received this message because you are subscribed to the Google Groups "efloraofindia" group.
> To post to this group, send email to indian...@googlegroups.com.
> To unsubscribe from this group, send email to indiantreepi...@googlegroups.com.
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>

>  Calotropis-gigantea-Delhi-1.jpg
> 125KViewDownload
>
>  Calotropis-gigantea-Delhi-2.jpg
> 170KViewDownload
>
>  Calotropis-procera-Delhi-1.jpg
> 233KViewDownload
>
>  Calotropis-procera-Delhi-2.jpg
> 215KViewDownload

[Gurcharan Singh]

Pardeshi ji

Yes both colours are met in C. gigantea. That is the reason I did not mention colour in the key.

-- 
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/ 

[satish pardeshi]

Yes Singh ji

one point i want to share..C. gigantea can be found quite commonly in Mumbai areas. i used to wonder and search for the other species ie. C. procera  in the same area during my Research period,  but when i came to Pune, i could found quite number of C. procera. it was also observed at Ahmednagar, Beed, Aurangabad, Akola, and other parts of Maharashtra (but in these areas C. gigantea is comparatively lesser  than C. procera). 

Regards

Satish Pardeshi
Plant Taxonomist
Mumbai, Pune

[Madhuri Pejaver]

hey forgot the colour?

one is white and the other purple

Madhuri

---

From: Gurcharan Singh <sing...@gmail.com>
To: efloraofindia <indian...@googlegroups.com>
Sent: Wed, 5 May, 2010 9:56:49 PM
Subject: [efloraofindia:34112] Calotropis species

[Satish Phadke]

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

[Gurcharan Singh]

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/ 

[ayush]

Sir,

Pl. confirm which species is the attached image ( i.e. calotropis gigantea or calotropis procera)

Regards
Radha Krishna Reddy

[Neil Soares]

Hi,  This is Calotropis gigantea.                    With regards,                      Neil Soares. --- On Fri, 5/25/12, ayush <anandku...@gmail.com> wrote:

[ayush]

Sri Neil Soares ji

Thank you very much sir.

Regards
Radha Krishna Reddy
---------------

[Gurcharan Singh]

Yes Calotropis gigantea

-- 

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://www.gurcharanfamily.com/ 
http://people.du.ac.in/~singhg45/ 

[Rajendra Shinde]

Another way to differentiate would be - 

Flower buds like "modak" (during Ganesha festival, modaks are made) - C. gigantea

Flower buds like "pedha" .(I am sure every one knows the shape of Pedha...............................................................................................C. procera..

I found this differentiation is very easy to identify these species.

Rajendra Shinde

[Neil Soares]

Interesting Dr.Shinde. Sending some of my photographs. My previous photographs are available in the archives of this group. [Wish someone would tell me how to copy & paste a previous mail in this new format while using a Yahoo account or else wish Mr. Garg would revert to the original format when it was so much easier].                        With regards,                          Neil Soares. --- On Fri, 5/25/12, Rajendra Shinde <rdsh...@gmail.com> wrote:

[Giby Kuriakose]

Very good Pictures, Neil ji.

Regards

Giby

--
GIBY KURIAKOSE PhD
Ashoka Trust for Research in Ecology and the Environment (ATREE),
Royal Enclave,
Jakkur Post, Srirampura
Bangalore- 560064
India
Phone - +91 9448714856 +919947109987 (Mobile)
visit my pictures @ http://www.flickr.com/photos/giby

[ayush]

Thanks to all for replies.
Close up comparision of flowers (Photos by Mrs. A. Lalithamba)
http://www.flickr.com/photos/45835639@N04/5098982665/in/set-72157626405145698/

Regards
Radha Krishna Reddy