Thanks, Ashwini ji,
I will look into it in due course.

On Tue 1 May, 2018, 8:24 PM Ashwini Bhatia, <[email protected]>
wrote:

> Thank you Mr Garg. Please check the photos on the site and make a decision
> with experts whether to change the ID there.
>
> Regards,
> Ashwini
>
> On Tue 1 May, 2018, 5:48 PM J.M. Garg, <[email protected]> wrote:
>
>> Thanks, Ashwini ji, for detailed analysis and superb images.
>>
>> On Tue 1 May, 2018, 4:18 PM Ashwini Bhatia, <[email protected]>
>> wrote:
>>
>>> I found this milkweed near home this time. I had photographed it earlier
>>> and posted to the group here
>>> <https://groups.google.com/forum/#!topic/indiantreepix/YcoeqqC_hcA>.
>>> Revisiting the ID, I found it to be *not V. hirundinaria* as the
>>> description in Flowers of the Himalaya states: '*Corolla c. 5mm across,
>>> with nearly hairless triangular lobes*' and '*calyx-lobes triangular,
>>> nearly as long as corolla*' for *V. hirundinria*.
>>>
>>> The plants here have hair on the inside of corolla lobes and calyx is
>>> much shorter than the corolla. The description matches more closely to the 
>>> *Cynanchum
>>> glaucum* in Flora Simlensis: '*Calyx about half as long as the corolla.
>>> Corolla hairy on the inner surface.*'
>>>
>>> Tibetan Medicinal Plant treats *C. glaucum* (*V. glaucum*) as a synonym
>>> of V. canescens and describes it as:
>>>
>>> '*Corolla yellow or green fading to greenish orange; tube approximately
>>> 1mm; lobes ovate, 2-3 x 1.5 mm, hairless outside, sparsely hirsute inside;
>>> sepals less than 1mm*.'
>>>
>>> But the authors treat it as part of the larger *V. hirundinaria* group
>>> perhaps because medicinal properties are similar.
>>>
>>> FOP says: '*Perennial undershrub, c. 15-70 cm tall, erect to twining,
>>> pubescent. Leaves 4-7 cm x 1.8-6 cm, ovate-lanceolate or cordate, glabrous
>>> to pubescent, entire, acute to acuminate. Flowers clustered in the leaf
>>> axils. Pedicels 4-5 mm long. Calyx lobes c. 1.5 mm long, lobes oblong to
>>> lanceolate, acute. Corolla c. 4 mm long, cream to greenish, lobes hairy on
>>> the inner surface. Corona lobes 5, obtuse. Follicles 5-6 x 1-1.5 (-2) cm,
>>> gradually tapering towards the tip.*
>>>
>>> *Fl. Per.: June-September.*'
>>>
>>> I made some measurements too:
>>>
>>> Plants 40-80cm tall, pubescent. Leaves c. 5cm x 7cm, bottom ones smaller
>>> and blunt-tipped, hairy on the nerves underneath and on the edges. Flowers
>>> greenish-yellow c. 1cm across, 5-7 petals (lobes), smooth outside but hairy
>>> on the inside; sepals narrow c. 1.5-2mm each. Pedicels 4-5mm.
>>>
>>> And since the plants are flowering at the moment, I can say Late-April
>>> is more correct than June.
>>>
>>> Considering the above information, *I would like to think that the
>>> plants here (and on our site) are V. canescens.* Please advise.
>>>
>>>
>>> *Vincetoxicum canescens*
>>>
>>> Near Dal Lake, Dharamshala, HP
>>>
>>> 1800m approx.
>>>
>>> 30 April 2018
>>>
>>>
>>>
>>> Thanks.
>>>
>>> Ashwini
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>

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