Vandellia hookeri

Vandellia hookeri C. B. Cl. ex Hook. f., Fl. Brit. India 4: 280 (1884) (syn: Lindernia hookeri Wettst.; Lindernia hookeri var. cochinchinensis Bonati; Pyxidaria hookeri (C.B.Clarke ex Hook.f.) Kuntze);
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Himalaya to Indo-China: Assam, Bangladesh, East Himalaya, Myanmar, Nepal, Thailand, Vietnam as per POWO;
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Scrophulariaceae Fortnight: For id from Gori Valley-NS 35 : 4 posts by 2 authors. Attachments (3)
This small, delicate herb was captured during our visit to Gori Valley area… please help to id.. can this be some Torenia sp.?
This appears to be very interesting.
Pl. check with images & details at
Torenia parviflora Buch.-Ham. & Benth. is a synonym of Torenia thouarsii (Cham. & Schltdl.) Kuntze
To me images of this species at Flowers of India look different & may not be correct.
The Plant List Ver. 1.1 says it has no synonym and POWO says different synonyms except for the T. parviflora.
However, the CoL says same synonym.
Torenia parviflora Buch.-Ham. ex Wall.

Vandellia hookeri C.B.Clarke ex Hook.f. Syn : Lindernia hookeri (C.B.Clarke ex Hook.fil.) Wettst. as per discussions at SK1560 12 Nov 2018

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SK780 08 OCT-2017:ID : 9 posts by 3 authors. Attachments (5)
Location :  Thula Khet, Pokhara, Nepal 

Date : 10 August 2017
Altitude : 2800 ft.
Torenia …???

Pl. check comparative images at efi site
I am confused between Torenia cordifolia Roxb. &  Torenia indica C.J.Saldanha as per comparative images at efi site /species/a—l/l/linderniaceae/torenia
In fact images at at Flowers of India are of Lindernia crustacea (L.) F.Muell. as per the following:
Thanks … for this analysis, I have least expected any id for my pics, due to bad quality..
Nothing can be said until some good pics are available. I agree with you regarding FOI page..
I could not infer anything at present even from nice images of …

I have posted one image from this post and one from Pokhara on facebook.

One Botanist from Nepal and one from India, Prasad M Govindan have 
suggested the ID as Torenia hookeri (C. B. Clarke ex Hook. fil.) A. Pal & M. Chowdhury,
which looks correct. If so we need to revise all this sp. from efi. 
By the way I have, earlier, suggested its syn : Vandellia hookeri C.B.Clarke ex Hook.f.  
and Lindernia hookeri (C.B.Clarke ex Hook.fil.) Wettst.
Please have a look !
zenodo
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Yes, Vandellia hookeri C.B.Clarke ex Hook.f. Syn : Lindernia hookeri (C.B.Clarke ex Hook.fil.) Wettst. as per discussions at SK1560 12 Nov 2018

Torenia hookeri (C. B. Clarke ex Hook. fil.) A. Pal & M. Chowdhury

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SK1560 12 Nov 2018 : 8 posts by 2 authors. Attachments (9) – around 600 kb each.
Location:  Dahachowk, Switzerland Park, Kathmandu,,Nepal 
Date: 29 September 2018
Elevation: 5600 ft.
Habit : Wild 
Which Scrophulariaceae :?? Torenia  ??
Pl. check possibility of Torenia thouarsii (Cham. & Schltdl.) Kuntze along with other species.
It is too much hairy. I could not find the match.
I have checked all species in Checklist of Nepal
These do not match with species already there in efi site at Torenia‎ except for closeness with Torenia thouarsii (Cham. & Schltdl.) Kuntze 
There is one species which is not represented so far in efi site: Torenia diffusa D.Don.
But its specimens look different from posted plant as per
To me matches with existing images at Torenia thouarsii (Cham. & Schltdl.) Kuntze 
Pl. also see
So in the above circumstances, Torenia thouarsii (Cham. & Schltdl.) Kuntze is the best choice.
Torenia violacea (Azaola ex Blanco) Pennell ??
I guess the description, flowering season and elevation matching to Torenia violacea.
And T. thouarsii not listed in Nepal.
Need to check this sp. in the FoI.
Appears totally different from images at Torenia violacea

Vandellia hookeri C.B.Clarke ex Hook.f. Syn : Lindernia hookeri (C.B.Clarke ex Hook.fil.) Wettst.
Please validate !

No. Looks different as per POWO specimens- one and two.

I have posted one image from this post and one from Pokhara on facebook.

One Botanist from Nepal and one from India, Prasad M Govindan have 
suggested the ID as Torenia hookeri (C. B. Clarke ex Hook. fil.) A. Pal & M. Chowdhury,
which looks correct. If so we need to revise all this sp. from efi. 
By the way I have, earlier, suggested its syn : Vandellia hookeri C.B.Clarke ex Hook.f.  
and Lindernia hookeri (C.B.Clarke ex Hook.fil.) Wettst.
Please have a look !
zenodo
Facebook

Yes, you appear to be right as per GBIF specimen- one and two and as per link.

All databases including the POWO say Torenia hookeri (C.B.Clarke ex Hook.fil.) A.Pal & M.Chowdhury
is the accepted name and the other is Syn. and the link also :
https://tb.plazi.org/GgServer/html/99B40F6FEE4

 

 

 

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References:
POWO  Catalogue of Life  GBIF  Flora of Eastern Ghats  India Biodiversity Portal
Torenia hookeri, a new combination in Asian Linderniaceae and first record of T. godefroyi in the Himalayan hotspot: AARATRIK PAL, MONORANJAN CHOWDHURY: Phytotaxa Vol. 549 No. 2: 8 June 2022 (Abstract: Recent phylogenetic revision distinguishes Torenia from Vandellia by hairy or glabrous ovary and poricidal or septicidal  capsule not extending the length of calyx (vs glabrous ovary and septicidal capsule clearly exceeding the calyx). Our current study showed that Vandellia hookeri exhibits all the characteristics of Torenia, therefore we change the generic treatment of V. hookeri to Torenia. Torenia godefroyi is also recorded from Himalayan Hotspot for the first time)