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 > > > > > > > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at https://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.

