[efloraofindia:35786] Polypetalae for id 240510MK2

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Muthu Karthick

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May 24, 2010, 6:20:02 AM5/24/10
to indiantreepix
Dear all,
Please help to id this soft shrub found in the river shore.

Date/Time- 

02-05-2010 / 09:00 AM

Location- Place, Altitude, GPS- 

Mudumalai WLS; 600 msl; TN

Habitat- Garden/ Urban/ Wild/ Type- 

Riparian

Plant Habit-

shrub

Height/Length- 

Up to 1metre

Leaves Type/ Shape/ Size- 

6 x 3cm; hairy

Inflorescence Type/ Size- 

single flower

Flowers Size/ Colour/ Calyx/ Bracts- 

yellow

Fruits Type/ Shape/ Size Seeds- 


Other Information like Fragrance, Pollinator, Uses etc.- 

spongy roots observed found floating just beneath the water surface, where rock is the substrate


--
Muthu Karthick, N
Junior Research Fellow
Care Earth Trust
Chennai - 61
www.careearthtrust.org

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Muthu Karthick

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May 24, 2010, 6:54:56 AM5/24/10
to indiantreepix

Could this be Ludwigia octovalvis (Jacq.) Raven of Onagraceae?

Flowers 2 - 3cm across.

Dinesh Valke

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May 24, 2010, 7:16:47 AM5/24/10
to Muthu Karthick, indiantreepix
... the flower size seems to be on larger side for L. octovalvis ... have seen them to be about 7 - 12 mm .... not sure about variable size.
Let us wait for comment(s).

Regards.

Gurcharan Singh

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May 24, 2010, 7:29:08 AM5/24/10
to Dinesh Valke, Muthu Karthick, indiantreepix
Dinesh ji
Petals could be up to 17 mm long and up to 17 mm broad according to Flora of China.


-- 
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/ 

tanay bose

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May 24, 2010, 8:27:30 AM5/24/10
to Gurcharan Singh, Dinesh Valke, Muthu Karthick, indiantreepix
Ludwigia octovalvis indeed commonly knon as " Ban Lavanga" from Onagraceae profusely found in Pachmari region of M.P. A similar Plant is found in waste land of Bengal, It is has a smaller size flower rest looks very similar known as Jussiaea suffruticosa L.
Regards
Tanay
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+91(033) 25550676 (Resi)
9830439691(Mobile)

Dinesh Valke

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May 24, 2010, 9:10:54 AM5/24/10
to tanay bose, Gurcharan Singh, Muthu Karthick, indiantreepix
Thank you Gurcharan ji for clarity on flower size ... thus, it does seem to me L. octovalvis ... commonly known as: false primrose, Mexican primrose willow, swamp primrose, water primrose, willow primrose, yellow willow herb • Marathi: पानलवंग panlavang • Sanskrit: भूलवंग bhulavangah • Telugu: నిరుఅగ్నివేండ్రపాకు neeru-agnivendrapaku

... origin / nativity obscure; probably Micronesia, pan-tropically distributed.

Neil Soares

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May 24, 2010, 9:31:55 AM5/24/10
to tanay bose, Dinesh Valke, Gurcharan Singh, Muthu Karthick, indiantreepix
Hi,
  This does not look like Ludwigia octovalvis [L.parviflora]. Will send photographs of L. octovalvis for comparison later if required.
                   With regards,
                     Neil Soares.

--- On Mon, 5/24/10, Dinesh Valke <dinesh...@gmail.com> wrote:

J.M. Garg

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Jun 5, 2010, 2:39:38 AM6/5/10
to efloraofindia, Neil Soares, tanay bose, Gurcharan Singh, Dinesh Valke, Muthu Karthick

Forwarding again for Id confirmation or otherwise pl.

Earlier relevant feedback:

“... the flower size seems to be on larger side for L. octovalvis ... have seen them to be about 7 - 12 mm .... not sure about variable size.
Let us wait for comment(s).”
 

Petals could be up to 17 mm long and up to 17 mm broad according to Flora of China.

--
Dr. Gurcharan Singh”
 
Ludwigia octovalvis indeed commonly knon as " Ban Lavanga" from Onagraceae profusely found in Pachmari region of M.P. A similar Plant is found in waste land of Bengal, It is has a smaller size flower rest looks very similar known as Jussiaea suffruticosa L.
Regards
Tanay”

"This does not look like Ludwigia octovalvis [L.parviflora]. Will send photographs of L. octovalvis for comparison later if required.
                   With regards,
                     Neil Soares."

--
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J.M. Garg

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Jun 19, 2010, 1:46:09 AM6/19/10
to efloraofindia, Muthu Karthick, Dinesh Valke, Gurcharan Singh, tanay bose, Neil Soares

Forwarding again for Id confirmation or otherwise pl.
Earlier relevant feedback:
“... the flower size seems to be on larger side for L. octovalvis ... have seen them to be about 7 - 12 mm .... not sure about variable size.

Let us wait for comment(s).” from Dinesh ji.


 
“Petals could be up to 17 mm long and up to 17 mm broad according to Flora of China.
--
Dr. Gurcharan Singh”
 
Ludwigia octovalvis indeed commonly knon as " Ban Lavanga" from Onagraceae profusely found in Pachmari region of M.P. A similar Plant is found in waste land of Bengal, It is has a smaller size flower rest looks very similar known as Jussiaea suffruticosa L.
Regards
Tanay”


"This does not look like Ludwigia octovalvis [L.parviflora]. Will send photographs of L. octovalvis for comparison later if required.
                   With regards,
                     Neil Soares."

---------- Forwarded message ----------
From: Muthu Karthick <nmk...@gmail.com>
Date: 24 May 2010 15:50
Subject: [efloraofindia:35786] Polypetalae for id 240510MK2
To: indiantreepix <indian...@googlegroups.com>


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J.M. Garg

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Jun 21, 2010, 2:54:56 AM6/21/10
to efloraofindia, Muthu Karthick, Dinesh Valke, Gurcharan Singh, tanay bose, Neil Soares, C KUNHIKANNAN
A reply:
"It is Ludwigia peruviana (L.) H. Hara, (syn:Jussiaea peruviana L., Sp. Pl. 388. 1753. = Jussiaea speciosa Ridley, J. Bot. 59. 1921)
It is a weed, originally came from america
kunhikannan"

Muthu Karthick

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Jun 21, 2010, 5:57:04 AM6/21/10
to J.M. Garg, efloraofindia, Dinesh Valke, Gurcharan Singh, tanay bose, Neil Soares, C KUNHIKANNAN
Dear all,
For me also this looks more like Ludwigia peruviana (L.) Hara of Onagraceae owing to the presence of Hirsute plant body.

Dear Neilji, could you please upload pictures of L. octovalvis for comparison purpose?

Neil Soares

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Jun 21, 2010, 6:28:01 AM6/21/10
to J.M. Garg, Muthu Karthick, efloraofindia, Dinesh Valke, Gurcharan Singh, tanay bose, C KUNHIKANNAN
Hi Muthu,
  As requested.
                  Regards,
                   Neil Soares.

--- On Mon, 6/21/10, Muthu Karthick <nmk...@gmail.com> wrote:
Ludwigia octovalvis, Panlavang.jpg

Muthu Karthick

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Jun 21, 2010, 6:36:56 AM6/21/10
to Neil Soares, J.M. Garg, efloraofindia, Dinesh Valke, Gurcharan Singh, tanay bose, C KUNHIKANNAN
Many thanks Neilji, does this have deciduous bracteoles?
Nice Picture/

Neil Soares

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Jun 21, 2010, 6:39:03 AM6/21/10
to Muthu Karthick, J.M. Garg, efloraofindia, Dinesh Valke, Gurcharan Singh, tanay bose, C KUNHIKANNAN
Hi Muthu,
 Not sure. Will check.

Muthu Karthick

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Nov 14, 2012, 4:15:32 AM11/14/12
to Neil Soares, J.M. Garg, efloraofindia, Dinesh Valke, Gurcharan Singh, tanay bose, C KUNHIKANNAN
More images of Ludwigia peruviana http://tropicos.org/Image/100139732
--
Muthu Karthick, N
Care Earth Trust
#15, second main road,
Thillai ganga nagar,
Chennai - 600 061
Mob: 0091 96268 33911
www.careearthtrust.org

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