O. turpethum again .
In my area it is very common , flowers whole year , except after the rains
come .........for nearly one to two months,
depending on the spell of rains , it stops flowering and spends all its
energy in spreading ........vigorous growth , huge leaves , nearly round in
shape with base cordate and apex obtuse ..............once rains stop and
sun comes back , depending on the availability of water , new leaf shape
changes abruptly to hastate and long narrow . In extreme summer , leaves
become very small , linear lanceolate to somewhat trilobed . Flowers will
come up now as rain is receding ......bigger flowers than those in summer
months .
There was some query and I specifically checked inflorescence and peduncle
size compared to petiole .........I found , flower can be single in leaf
axil , to multiple flowered raceme ....2 to 4 commonly ......peduncle of
inflorescence may be shorter or equal or longer compared to subtending
petiole .
Not only that , as winter goes away ........in Surat  after 15
January.......some vines , but not all , show pale yellow colored corolla
.......more pronounced in buds and as the day progresses color fades away .
Also yellow tinged buds open up about 30 to 60 minutes later .
.............
I have read about O. tansaensis and all I could get is .......it is a
sub-shrub as against sprawling O. turpethum . I dream of one fine day going
in the area of Tansa lake to
see this species . Online I could find abstract of two recent works by
Botanists from Maharashtra ........fortunately they are members of Indian
Flora facebook group ........I tagged them , messaged too , but  sadly got
no response .
..............
There is a report of very similar looking flower from Tripura .......it has
been identified as Merremia mammosa .......its cordate .leaves are distinct
in having dentate margin .

On Tue, Aug 20, 2019 at 1:03 PM J.M. Garg <[email protected]> wrote:

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> ---------- Forwarded message ---------
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> Date: Thu, 1 Mar 2018 at 19:45
> Subject: For Id 010318 AB 1
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> Cc: Dr Anil S. Bhuktar <[email protected]>
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> Date: 1 March 2018 at 19:30
> Subject: [efloraofindia:289466]
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