Satish ji
According to eFlora of Pakistan, eFlora of China and The Plant List,
Ipomoea learii Paxton is a synonym of I. indica. I have given differences
between I. indica and I. nil. Here are specific differences:
*Ipomoea indica
Ipomoea nil*
1. Stems appressed pubescent, sometimes rooting at nodes 1. Stems
covered with long spreading hairs.
2. Leaves pubescent with short hairs
2. Leaves with long spreading hairs
3. Infl. Several flowered in dense umbellate cymes.
3. Inf. 1-few flowered.
4. Bracts linear or lanceolate.
4. Bracts linear or
filiform
5. Sepals subequal, gradually linear-acuminate,
5. Sepal almost equal, with spreading long hairs on outside
appressed pilose, outer 3 lanceolate to broadly
near base, subglabrous above with linear tip
lanceolate, inner 2 narrowly lanceolate.
6. Corolla blue or bluish-purple aging to red, 5-7 cm long.
6. Corolla pale to bright blue with white tube, fading pinkish
with age, 3-5 cm long
7. Capsule 10-13 mm across.
7. Capsule 8-10 mm across
--
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/
On Fri, Mar 16, 2012 at 6:33 PM, Balkar Singh <[email protected]> wrote:
> Excellent Catch Sir
>
>
> On Fri, Mar 16, 2012 at 4:22 PM, Satish Phadke <[email protected]>wrote:
>
>> I have a query about differentiation between the three species.
>> I.indica
>> I.nil
>> I. learii
>> I have seen the last one in Mahabaleshwar with Shrikant ji(Will post it
>> separately)
>> I hope you will tell us the differences clearly.
>>
>>
>> On Fri, Mar 16, 2012 at 12:33 PM, Gurcharan Singh (Google Docs) <
>> [email protected]> wrote:
>>
>>> I've shared Convolvulaceae Week: Ipomoea nil from Delhi and
>>> Dakpathar<https://docs.google.com/document/d/1axKkwDEDzyP0fZlBh-WVOLkl8tyqmdbrNyW2fKLf4do/edit>
>>> Click to open:
>>>
>>> - Convolvulaceae Week: Ipomoea nil from Delhi and
>>> Dakpathar<https://docs.google.com/document/d/1axKkwDEDzyP0fZlBh-WVOLkl8tyqmdbrNyW2fKLf4do/edit>
>>>
>>>
>>> Ipomoea nil (L.) Roth, Catal. Bot. 1: 36. 1797.
>>>
>>> Convolvulus nil L.
>>>
>>> Species appearing similar to I. indica but with sepals densely hirsute
>>> at base, often slightly curved above, lighter coloured smaller flowers.
>>>
>>> Ipomoea-nil-Dakpathar-2
>>>
>>> Ipomoea-nil-Dakpathar-1
>>>
>>> Ipomoea-nil-Delhi-1
>>>
>>> Ipomoea-nil-Delhi-2
>>>
>>> Gurcharan Singh
>>>
>>> Google Docs makes it easy to create, store and share online documents,
>>> spreadsheets and presentations.
>>> [image: Logo for Google Docs] <https://docs.google.com>
>>>
>>
>>
>>
>> --
>> Dr Satish Phadke
>>
>
>
>
> --
> Regards
>
> Dr Balkar Singh
> Head, Deptt. of Botany and Biotechnology
> Arya P G College, Panipat
> Haryana-132103
> 09416262964
>
