Gymnema napalense

Gongronema napalense (Wall.) Decne., A.P.de Candolle, Prodr. 8: 624 (1844). (syn: Gongronema columnare (Wall. ex Wight) Decne.; Gongronema napalense var. sagittatum (Wall.) Hook.f.; Gongronema sagittatum (Wall.) Decne.; Gymnema columnare Wall. ex Wight; Gymnema napalense Wall.; Gymnema sagittatum Wall.);
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Himalaya to S. China: Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, Hainan, India, Laos, Myanmar, Nepal, Tibet, Vietnam, West Himalaya as per POWO;
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Dcne, in DC. Prodr. viii. 624 ; glabrous or cymes puberulous, leaves large oblong or ovate acuminate base rounded or cordate, cymes very long-peduncled bracteate, corolla-tube short open, lobes ovate, coronal process small recurved or obsolete. Gymnema nepalense, Wall. Tent. Fl. Nep. 50, t. 38, the left-hand leaf only, and Cat. 8192 ; Wight Contrib. 46.
SUBTROPICAL HIMALAYA ; from Kumaon to Sikkim, alt. 2-4000 ft. KHASIA MTS., alt. 3-5000 ft.
An extensive twiner, shoots and cymes puberulous. Leaves 3-6 by 1.1/2-3.1/2 in., membranous, nerves arching ; petiole 1-2 in. Peduncle 2-6 in., generally branching into 3 long divaricate arms, each bearing three many-fld. umbels, pedicels short. Sepals ovate. Corolla 1/4 in. diam., yellow. Follicles slender, 2.1/2-3 by 1/4 in.
(Attributions: IBIS Flora (FBI))
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SK 2128 18 August 2019 : 5 posts by 2 authors. Attachments (12)- around 600 kb each.

Location: Sundarijal, Kathmandu

Date: 30 July  2019

Elevation: 1577 m.
Habit : Wild 

Tylophora or some other ?

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Thanks, … Yes, appears so.

Does not match with the following species listed in Nepal as per comparative images:

Tylophora indica (Burm. f.) Merr.

Tylophora ovata (Lindl.) Hook. ex Steud.

Tylophora rotundifolia Buch.-Ham. ex Wight

Tylophora tenerrima Wight

Pl. check the other left outs:

Tylophora belostemma (Wall.) Benth. ex Benth. & Hook. f. synonym for Belostemma hirsutum Wall. ex Wight
Tylophora wallichii (Wight) Hook. f.

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In did check all possibles but could not conclude!

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Looks different from Belostemma hirsutum Wallich ex Wight as per FOC illustration

However, appears close to Tylophora wallichii as per High resolution specimens at GBIF– one, two, three

Pl. check, but I am not sure.

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It could be … but no proper image in the Net for cross verification.

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Enclosing some links which creates ID confusion!

Tylophora wallichii (Wight) Hook.f. Synonym of: Vincetoxicum ventricosum Kuntze

Gongronema wallichii (Wight) Decne. — The Plant List

Tylophora wallichii (Wight) Hook. fil.

Vincetoxicum ventricosum Kuntze

Vincetoxicum ventricosum Kuntze

Vincetoxicum ventricosum Kuntze

Tylophora wallichii Hook.f.

Tylophora wallichii (Wight) Hook.f.
earth.com

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I guess name changed to Gongronema wallichii Decne. !

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This has been re-identified as Gongronema nepalense（Wall.）Decne. by Caifei Zhang, a taxonomist from Wuhan Botanical Garden, Chinese Academy of Sciences.
http://ppbc.iplant.cn/sp/27275

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Yes, matches as per POWO specimen.

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SK763 28 SEP-2017:ID : 11 posts by 2 authors. Attachments (8)
Location: Peace Pagoda, Pokhara, Nepal
Date : 11 August 2017
Altitude : 3700 ft.

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Pl. check comparative images at Apocyanaceae page in efi site.

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I think some  /species/a—l/a/apocynaceae/cynanchum species. 

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Not found in Nepal as per
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210002268
Pl. check with the link I have given you.

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Vincetoxicum hirundinaria Medik.  ??

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I think does not matches with images at Vincetoxicum hirundinaria

I still think it may be some /species/a—l/a/apocynaceae/cynanchum species

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Marsdenia tinctoria R.Br. ??

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Inflorescence of Marsdenia tinctoria R.Br. looks some what different as per

Strautxchange

POWO

http://www.efloras.org/object_page.aspx?object_id=86215&flora_id=2

Flickr

Flickr river

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OK …!

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Was it cultivated ?
I tried many permutations and combinations based on keys from Flora of Bhutan, but failed to get the id.

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I am not sure if it is cultivated or wild but I feel it should be wild!

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Marsdenia lucida Edgew. ex Madden ??

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No looks different as per GBIF and

https://www.gbif.org/occurrence/575363259

Book link (purple bloom)

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Yes, does not match !

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I finally got it. It is Tylophora wallichii

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Thank you …! Only slight difference in leaf shape.

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Gongronema nepalense（Wall.）Decne.

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Yes

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SK 2919 13 July 2021: 4 images.
Location: Kathmandu, Central Nepal
Altitude: 14oom.
Date: 09 July 2021
Habit : Wild
Apocynaceae ??

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Vincetoxicum belostemma (Benth.) Kuntze ??

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Also check with images at SK763 28 SEP-2017:ID

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Looks like same sp. I shall follow up form the flowering !

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Could be Gongronema nepalense（Wall.）Decne.

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Yes

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Tylophora wallichii (Wight) Hook.f.: 11 high res. images.

Location: Surkhet, West Nepal

Altitude:  438m.

Date: 28 August 2021
Habit : Wild

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Gongronema nepalense（Wall.）Decne.
http://ppbc.iplant.cn/sp/27275

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Yes

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Tylophora wallichii (Wight) Hook.f.: 5 very high res. images.

Location: Palpa 

Altitude: 1300m.

Date: 31 August 2021 
Habit : Wild

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This could be Gongronema nepalense（Wall.）Decne.
http://ppbc.iplant.cn/sp/27275

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Yes

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References:
POWO  Catalogue of Life  BSI Flora of India Checklist  Flora of China  FoC illustration  Annotated checklist of Flowering plants of Nepal  Indian Biodiversity Portal  Plant Illustration  IBIS Flora (FBI)