Asteraceae Fortnight Part 3-Ligulate Heads: Launaea? from VOF for id -NS 14

[Nidhan Singh]

Dear All,

This composite was found growing along the route leading to Ghanghariya from Gobind Ghat..looks similar to Taraxacum officinale..but the leaves differ..can this be any Launaea..please help to id..

--
Regards,

Dr. Nidhan Singh

Assistant Professor
Department of Botany
I.B. (PG) College
Panipat-132103 Haryana
Ph.: 09416371227

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

Launaea species in efi.

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J.M.Garg

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[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

Launaea species in efi.

---------- Forwarded message ----------
From: Nidhan Singh <nidhans...@gmail.com>
Date: 14 July 2013 07:23
Subject: [efloraofindia:160264] Asteraceae Fortnight Part 3-Ligulate Heads: Launaea? from VOF for id -NS 14
To: indiantreepix <indian...@googlegroups.com>

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[surajit koley]

One Launaea with obovate-spathulate, entire leaf is L. microcephala Hook. f., which seems to be a small and slender plant - http://www.iiim.res.in/herbarium/asteraceae/launaea_microcephala.htm.

Another similar plant is L. acaulis (Roxb.) Kerr - http://plantillustrations.org/illustration.php?id_illustration=35111&height=1080.

This much i could find presently.

Thank you,

Regards,

surajit

[Nidhan Singh]

Thanks Surajit Ji for the feedback on my Launaea posts..I will try to find out the relevant data from the links..I am also waiting for further inputs..

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:      

One Launaea with obovate-spathulate, entire leaf is L. microcephala Hook. f., which seems to be a small and slender plant - http://www.iiim.res.in/herbarium/asteraceae/launaea_microcephala.htm.

Another similar plant is L. acaulis (Roxb.) Kerr - http://plantillustrations.org/illustration.php?id_illustration=35111&height=1080. This much i could find presently. Thank you, Regards, surajit

Thanks Surajit Ji for the feedback on my Launaea posts..I will try to find out the relevant data from the links..I am also waiting for further inputs..

-- Regards, Dr. Nidhan Singh

Launaea acaulis ? posted by Rawat ji awaiting validation.

---------- Forwarded message ----------
From: Nidhan Singh <nidhans...@gmail.com>
Date: 14 July 2013 07:23
Subject: [efloraofindia:160264] Asteraceae Fortnight Part 3-Ligulate Heads: Launaea? from VOF for id -NS 14
To: indiantreepix <indian...@googlegroups.com>

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[D.S Rawat]

I too have this species with me; pics and specimen. Like to know ID.
DSRawat Pantnagar

[Saroj Kumar Kasaju]

Launaea acaulis (Roxb.) Babc. ex Kerr ??

Thank you.

Saroj Kasaju

[J.M. Garg]

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With regards,
J. M. Garg

---------- Forwarded message ---------
From: Nidhan Singh <nidhans...@gmail.com>
Date: Sun, 14 Jul, 2013, 7:23 am
Subject: [efloraofindia:160264] Asteraceae Fortnight Part 3-Ligulate Heads: Launaea? from VOF for id -NS 14
To: indiantreepix <indian...@googlegroups.com>

[J.M. Garg]

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With regards,
J. M. Garg

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[Gurcharan Singh]

Forwarding for Id

Distributed as Launaea species- enroute to Ghanghariya from Gobind Ghat

At that altitude most likely species with slightly spiny margined leaves and solitary heads seems to be L. polyclada

Group discussion at

Asteraceae Fortnight Part 3-Ligulate Heads: Launaea? from VOF for id -NS 14 (google.com) 

[Gurcharan Singh]

Forwarding for Id

Distributed as Launaea species- enroute to Ghanghariya from Gobind Ghat

At that altitude most likely species with slightly spiny margined leaves and solitary heads seems to be L. polyclada

Group discussion at

Asteraceae Fortnight Part 3-Ligulate Heads: Launaea? from VOF for id -NS 14 (google.com) 

---------- Forwarded message ---------
From: Nidhan Singh <nidhans...@gmail.com>

[Saroj Kasaju]

Any opinion on my earlier suggestion : Launaea acaulis (Hook.fil.) Babc. ex Kerr. ??

Thank you.

Saroj Kasaju

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[surajitno...@gmail.com]

This is no Launaea acaulis, neither any usual Launaea spp. Here the phyllaries are 2-seriate, each set having phyllary of equal size, I am yet to find that character in Launaea.

Unfortunately, there is no herbarium of L. microcephala, neither any description except in Flora of British India ( same point admitted in one 2002 Pakistan paper (on Launaea). In spite of that it has no chance of being L. microcephala, neither flowering stem is filiform, nor peduncle is capillary.

FBI has no Taraxacum that matches with this one.

I am yet to know what this species might be.

Thank you

Regrads

surajit koley

[surajit koley]

This is most probably Youngia japonica (L.) DC. Usually, outer phyllaries are apparently smaller than those can be seen in ths picture set, ut instances are there, with a little larger outer phyllaries - https://plants.ces.ncsu.edu/plants/youngia-japonica/.

Please, check both, FoC, and FoNA, along with other literatures.

Another species with similar outer phyllaries, but with glandular hairs is Pterotheca falconeri Hook.f. (check eFI).

I would like to add that , as per description available, Launaea microcephala Hook.f. also has ".... 2-seriate involucral bracts, 6-8 i number, outer minute, inner linear. Radical leaves obovate-spathulate, cauline ......."

Thank you

With regards

surajit koley

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[J.M. Garg]

Thanks, Surajit ji, for the detailed analysis.

I also tried my hand with comparative images at Cichorieae as well as those mentioned in previous discussions. 

Closest I can reach is that it can be some species of Crepis or Youngia.

Lack of habit image, is also casting doubts. From 2nd image (with leaf in the background), it appears that it was the only flower on the posted plant. 
Youngia japonica (L.) DC. appears close but relative size of lower phyllaries appears to be a bit larger compared to images herein (considering that habit image are in line with those at the given link)

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With regards,
J.M.Garg

[J.M. Garg]

Pterotheca falconeri Hook.f. is another possibility as suggested by Surajit ji as per GBIF specimens from India- one, two, three, four.

Here the size of lower phyllaries appears Ok as per images, but hairiness may be a factor as pointed out by Surajit ji.

--

With regards,
J.M.Garg

[surajit koley]

Most likely this is not Youngia japonica (L.) DC. This is something else.

The species features upto 20 florets per capitulum, check FoC, and other uploads, not all, in eFI.

The question is how many more florets can anyone allow for the identification of Youngia japonica (L.) DC.?

On Sun, 20 Jun 2021 at 20:59, surajit koley <surajitno...@gmail.com> wrote:

[Nidhan Singh]

Thanks a lot Garg Ji and Surajit Ji for all the efforts..

I will try to submit any further images, if I do have any...and I should also make some efforts towards conclusion..

I am sure it is not Youngia japonica.. 

[surajit koley]

Nidhan Sir,

Please examine the plate -"Launaea unid VOF (3)" closely, actually phyllaries seem to be multi-seriate, not 2-seriate as I thought earlier.

This might be Hypochaeris glabra L., please check probability :-

• http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:225504-1
  
• https://keyserver.lucidcentral.org/weeds/data/media/Html/hypochaeris_glabra.htm
  

Thank you

With regards

surajit

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[J.M. Garg]

Thanks, Surajit ji, for the efforts.

I do not think it matches. 

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[J.M. Garg]

Forwarding again for Id assistance please.

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From: Nidhan Singh <nidhans...@gmail.com>

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J.M.Garg

[Saroj Kumar Kasaju]

Launaea procumbens (Roxb.) Amin ??

Thank you

Saroj Kasaju