Thanks Chris. I agree, this needs further consideration.

Regards,
Ashwini

> On 10 Oct 2016, at 18:22, C CHADWELL <[email protected]> wrote:
> 
> The additional observations and photos are helpful.
> 
> I think this illustrates that this genus needs further study/checking.
> 
> 
> Best Wishes,
> 
> 
> Chris Chadwell
> 
> 
> 81 Parlaunt Road 
> SLOUGH
> SL3 8BE
> UK
> 
> www.shpa.org.uk <http://www.shpa.org.uk/>
> 
> 
> 
> 
> 
> 
> From: Ashwini Bhatia <[email protected]>
> To: [email protected] 
> Cc: efloraofindia <[email protected]>; Anil Thakur 
> <[email protected]>
> Sent: Friday, 7 October 2016, 11:21
> Subject: Re: Mazus surculosus ?
> 
> Dear Chris and Dr Thakur,
> Thank you both very much for your advice. My apologies for a late reply! I 
> wanted to revisit the plant and collect more evidence before writing. I found 
> the plant this morning and here are some observations with photographs;
> 
> 1. Calyx lobes (8-9mm) are longer than the peduncle (5mm)
> 2. Calyx lobe edges are not toothed
> 3. The stem bearing flowers is hairy and runner-like
> 4. Flowers edge out the calyx slightly in corolla length.
> 
> Please advise.
> 
> Thanks.
> Ashwini
> 
> 
> <_MG_7482_07Oct2016.jpg><_MG_7489_07Oct2016.jpg><_MG_7491_07Oct2016.jpg><_MG_7492_07Oct2016.jpg><_MG_7506_07Oct2016.jpg>
> 
>> On 7 Oct 2016, at 01:00, [email protected] 
>> <mailto:[email protected]> wrote:
>> 
>> Thanks Dr Thakur for drawing this to my/our attention.  Mostly a question of 
>> me too rapidly assuming a likely identification without checking properly - 
>> especially with plants from what are 'low' elevations for me.  As soon as it 
>> gets to 2000m or less, my familiarity and knowledge rapidly decreases!  I 
>> know little of the Mazus genus,
>> largely limited to a casual look at specimens growing around Manali some 30 
>> years ago....  I now see that Stewart gave Mazus delavayii as a synonym for 
>> M.japonicus (also M.rugosus).  He found this common, ascending to 2100m in 
>> rice fields and pond borders in N.Pakistan and Kashmir.
>> 
>> A common mistake I have observed is for people to assume that 'Flowers of 
>> the Himalaya' is a FULL flora.  It is merely a guide to a fraction of the 
>> total flora (often not much more than 1/10th described or illustrated), 
>> concentrating on the commonest and showiest species.  Too many users of this 
>> book automatically "match" at a quick glance what they see or photograph in 
>> the Himalaya with the single photo in that book.  Often the image does not 
>> show important characteristics which distinguish it from similar species.   
>> This leads to numerous misidentifications.  Many do not bother to check the 
>> geographic distribution, altitudinal range or typical habit for each species 
>> to see if the identification makes sense or should be double or 
>> triple-checked!
>> 
>> I am not a taxonomist but would think that characteristics of calyces are 
>> stronger than the presence or not of runners.  I am curious where the key to 
>> Mazus species in H.P. comes from?
>> 
>> I note from images taken in H.P. that some examples have much smaller 
>> calyces in relation to the flowers - though these seem also to have the 
>> calyx +/- cut to half way as well.   So are these within Mazus surculosus or 
>> M. pumilus var. delavayii?  
>> 
>> See: http://www.flowersofindia.net/catalog/slides/Suckering%20Mazus.html 
>> <http://www.flowersofindia.net/catalog/slides/Suckering%20Mazus.html>  (I 
>> would not described the calyx as 'toothed') and 
>> https://forwildlife.wordpress.com/wild-flowers-of-kalatope-khajjiar-sanctuary/wildflowers-in-june/
>>  
>> <https://forwildlife.wordpress.com/wild-flowers-of-kalatope-khajjiar-sanctuary/wildflowers-in-june/>
>>  (I would say the calyx here is definitely not just toothed and approaches 
>> the being lobed half way down).
>> 
>>  As for the line drawing in FOC for M.surculosus, this shows small calyces 
>> which could be described as having toothed lobes), see: 
>> http://www.efloras.org/object_page.aspx?object_id=3540&flora_id=2 
>> <http://www.efloras.org/object_page.aspx?object_id=3540&flora_id=2>    and 
>> then there are the line drawings for M.pumilus see: 
>> http://www.efloras.org/object_page.aspx?object_id=4701&flora_id=2 
>> <http://www.efloras.org/object_page.aspx?object_id=4701&flora_id=2> (I would 
>> say that the images taken by Ashwini certainly have a prominent calyx, small 
>> flowers in relation to the calyx and do not fit number 3 i.e. var. 
>> delavayii) Strange and remiss of the authors to include flowers in the line 
>> drawings of M.surculosus and not for M.pumilus which makes it difficult to 
>> judge flower/calyx size.
>> 
>> I remain somewhat uncertain/confused.  One problem in interpreting FOI is 
>> that the authors, no matter how botanically able, may only have seen 
>> specimens from Chinese territory.  The variation of species in NW may well 
>> be different/not able, so one has to be cautious here.
>> 
>> Anyhow, I have started to inspect Mazus more closely.  The fine photos of 
>> Ashwini (which show close-up the characteristics of the calyx) and others 
>> plus line drawings in FOC are much more useful than low resolution images of 
>> herbarium specimens.   As always, "a picture paints a thousand words".  
>> Putting into words plant variation is often difficult.  Keys should always 
>> be viewed with caution and not accepted without question.
>> 
>> The currently accepted name is noted - along with various nomenclatural 
>> changes over time.  Of course not all changes/revisions are accepted.
>> 
>> I approach plant identification as detective work.  This is another example 
>> and further evidence that we cannot rely solely upon Hooker's 'Flora of 
>> British India', which is well out-of-date (though he and other contributors 
>> did a remarkable job for the time).  Every checklist and flora (no matter 
>> how reliable they are) become
>> out-of-date as soon as they are published!
>> 
>> 
>> 
>> 
>> 
>> 
>> On Wednesday, 5 October 2016 13:37:50 UTC+1, JM Garg wrote:
>> Forwarding again for Id confirmation or otherwise please.
>> Some earlier relevant feedback:
>> The genus Mazus is no longer in the Scrophulariaceae family but Phymaceae 
>> which includes
>> 
>> The Kew Herbarium image: http://apps.kew.org/herbcat/ 
>> getImage.do?imageBarcode= K001117588 
>> <http://apps.kew.org/herbcat/getImage.do?imageBarcode=K001117588> 
>> 
>> Photos: https://www.google.co.uk/ search?q=%22Mazus+surculosus% 
>> 22&tbm=isch&gws_rd=ssl 
>> <https://www.google.co.uk/search?q=%22Mazus+surculosus%22&tbm=isch&gws_rd=ssl>
>> 
>> There are two species of Mazus to consider.  In 'Flora Simlensis' there is 
>> also M.rugosus -
>> which Stewart and 'The Plant List' has this as M.japonicus.
>> 
>> Flora Simlensis has M.japonicus as the common species at Shimla - he 
>> distinguishes
>> it by the lack of runners and calyx lobed half-way down cf. shortly toothed 
>> in M.surculosus.
>> 
>> For M.japonicus see:
>> https://www.google.co.uk/ search?q=%22Mazus+japonicus% 
>> 22&tbm=isch&gws_rd=ssl 
>> <https://www.google.co.uk/search?q=%22Mazus+japonicus%22&tbm=isch&gws_rd=ssl>
>> 
>> Your images show runners.  I don't think that Flora Simlensis calyx 
>> characteristic holds true,
>> so M.surculosus does seem the most likely.
>> 
>> I have visited Manali several times.  In the mid-1980s I led botanical tours 
>> to Lahoul, with Manali as the
>> base, recording Mazus surculosus in the Deodar forest there but did not 
>> consider other species at the time.
>> 
>> Best Wishes,
>> Chris Chadwell                                          
>> 
>> 
>> Pl. also check comparative images & keys at ‎Mazus 
>> <https://sites.google.com/site/efloraofindia/species/m---z/p/phrymaceae/mazus>
>>         
>> Mazus japonicus (Thunb.) Kuntze      is now a synonym 
>> <http://www.theplantlist.org/1.1/about/#synonym> of Mazus pumilus (Burm.f.) 
>> Steenis <http://www.theplantlist.org/tpl1.1/record/kew-2507398>
>> This specimen appears to be quite interesting.- from me    
>> 
>> ---------- Forwarded message ----------
>> From: Ashwini Bhatia <[email protected] 
>> <applewebdata://433959A2-8E53-473F-85EB-509E836FE0F8>>
>> Date: 25 September 2016 at 14:50
>> Subject: Re: [efloraofindia:252074] Mazus surculosus ABJUL01/12
>> To: efloraofindia <indian...@googlegroups. com 
>> <applewebdata://433959A2-8E53-473F-85EB-509E836FE0F8>>
>> Cc: Ushadi Micromini <[email protected] 
>> <applewebdata://433959A2-8E53-473F-85EB-509E836FE0F8>>
>> 
>> 
>> Found a white Mazus on my walk today. Is it normal? To me it looks like M. 
>> surculosus only but I could be wrong. Please advise.
>> 
>> Thanks.
>> Ashwini
>> 
>> 
>> 
>> 
>> 
>> 
> 
> 
> 
> 
> <_MG_7482_07Oct2016.jpg><_MG_7489_07Oct2016.jpg><_MG_7491_07Oct2016.jpg><_MG_7492_07Oct2016.jpg><_MG_7506_07Oct2016.jpg><_MG_7506_07Oct2016.jpg><_MG_7492_07Oct2016.jpg><_MG_7491_07Oct2016.jpg><_MG_7489_07Oct2016.jpg><_MG_7482_07Oct2016.jpg>

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