Aristolochia assamica

Aristolochia assamica D. Borah & T.V. Do, Annales Botanici Fennici 56(4-6):253, October 2019;
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Arsitolochia assamica : 2 posts by 2 authors. Attachments (2)- 2 mb each. 

Aristolochia assamica (Aristolochiaceae), a new species from the East Himalayas (2).pdf
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Attaching some of my observations on Aristolochia.
1. https://groups.google.com/g/indiantreepix/c/cXREqX5XnZ0 – Seems close to A.griffithii, just the colour of the throat is different (may be the material got withered or something else), will need some more pictures to confirm, but can be kept near A.griffithii, following its leaves, and the ridges observed in the outside surface of the limb.
2. These three images kept under A.tagala from Assam by … are A.assamica:  https://groups.google.com/g/indiantreepix/c/3wvH9N_P6s8/m/OpT5aMLYf2oJ
. But within the similar discussion two images of … are A.tagala.
3. These are my images but I don’t know how, it has been forwarded to you by different people, whom i don’t know. Anyways they should also be kept under A.assamica
https://groups.google.com/g/indiantreepix/c/9uFY2zIDQAI

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Please identify the Aristolochia sp. : 6 posts by 3 authors.

Please identify the Aristolochia sp.
Did not find a match as per comparative images at ‎Aristolochia‎
Where and when these images were taken ?   
These photographs has taken from Assam.
It looks like Aristolochia tagala Cham.
Image in 2nd photo is not clear.
May I request you to pl. post a larger image or the original one.

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ID No. 26042011 RD12: 3 images.

Please help me to identify this Aristolochia sp.
Date/Time-12/04/2011- 09 AM
Location- Place, Altitude, GPS- Assam, Alt 190m
Habitat- Garden/ Urban/ Wild/ Type- Wild Type
Plant Habit- Tree/ Shrub/ Climber/ Herb- Climber
Leaves Type/ Shape/ Size- Leaf 8-12X6-9cm, heart shaped
Inflorescence Type/ Size- as seen in the photos
Flowers Size/ Colour/ Calyx/ Bracts- Yellowish-White,
Fruits Type/ Shape/ Size Seeds- Not seen
Occurrence: Rare

i think this is Aristolochia sp.

I think Aristolochia tagala Chamisso
Family: Aristolochiaceae
Pl check the following link:
http://www.efloras.org/object_page.aspx?object_id=50671&flora_id=2

Aristolochia tagala 

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The plant is looks like Aristolochia tagala Cham. For a comparitive study, please see the attachment files of A. tagala Cham., photographed from Kerala part of Western Ghats.

I agree, the pictures posted by … are of typical Aristolochia tagala.
But, … plant is not A. tagala. Both flowers and leaves look different here.

I fully agree with …

The flowers and leaf shape shows a little variation. But with the keys provided in Fl. China, I could not reach to any conclusion. A perusal of ‘Flora of Assam’ could help. Waiting to know the correct identity.

Attaching some of my observations on Aristolochia

These three images kept under A.tagala from Assam by … are A.assamica: 
But within the similar discussion two images of … are A.tagala

Posted in 2011 by Raju Das ji (ID No. 26042011 RD12) & in 2017 by Dipankar ji (Please identify the Aristolochia sp.) in efloraofindia- published as a new species by Dipankar ji as Arsitolochia assamica in 2019 as per details herein.
Again proving that a lot of gems are lying unearthed in efloraofindia.

References:

Research Gate (pdf)- Aristolochia assamica (Aristolochiaceae), a new species from the East Himalayas- Abstract: Aristolochia assamica D. Borah & T.V. Do (Aristolochiaceae), a new species from the East Himalayas (NE India) is described and illustrated. It has purplish to greenish terete stems, brownish ovate-lanceolate bracteoles with a short stalk at base and acuminate apex, cymes with 2–15 owers, fasciculate, on extremely short inorescence axes, a sessile utricle, creamy-white to greenish-yellow perianth with a brownish patch on its throat, a 1-lobed limb, oblong linear with a twisted cauda, and a 6-lobed gynostemium. According to these morphological characteristics, A. assamica should be placed in Aristolochia subgenus Aristolochia series Aristolochia. A detailed description, phenol-ogy, distribution and ecology as well as comparison with four morphologically closely similar species is presented. In addition, a key to the Indian species of Aristolochia subgenus Aristolochia section Aristolochia is provided)