OK Mr. Garg.

Thank you.

Saroj Kasaju


On Wed, Jan 28, 2026 at 5:07 PM J.M. Garg <[email protected]> wrote:

> Yes, appears close as per images at
> https://efloraofindia.com/efi/persicaria-microcephala/
> There is a closely related species as
> https://efloraofindia.com/efi/persicaria-greuteriana/
>
> Google AI give the following differences between the two:
> *Persicaria greuteriana* and *Persicaria microcephala* are closely
> related, often confused perennial knotweeds (Polygonaceae family)
> originating from the Himalayas and Asia, with *P. greuteriana* previously
> considered a variation of *P. microcephala*. *P. microcephala* (e.g.,
> 'Red Dragon') is known for variegated foliage and white flower heads, while 
> *P.
> greuteriana* is a distinct species in some classifications.
> Persicaria microcephala (Tiny-Head Knotweed)
> <https://www.google.com/search?q=Persicaria+microcephala+%28Tiny-Head+Knotweed%29&rlz=1C1SQJL_enIN948IN948&oq=Persicaria+greuteriana+%2B+Persicaria+microcephala+%2B+difference&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIHCAEQIRiPAjIHCAIQIRiPAtIBCjE4Njk5ajBqMTWoAgCwAgA&sourceid=chrome&ie=UTF-8&mstk=AUtExfBvCNnsyokt2YwEJZ4U2XB0o3bWmsNsSu_ofPqFD6_sK1mILG0wd94MvMuqfPw-tmw4ePrRW5M9QGzVhDBed9GIsb1WtMuyeRf7Aw8nRiUVPEpxXcNTDreUpQC6t2VGS0Ud8JyPT95xJHcTkHZP4gNFsd4oOTr51nPv1jZzg23Lrtg&csui=3&ved=2ahUKEwi1iMTUjq6SAxUfSGwGHWTTDbkQgK4QegQIAhAB>
>
>
>    - Characteristics: Perennial herb, 40-60 cm tall, with stout rhizomes
>    and erect/decumbent, branched stems.
>    - Flowers: Tiny white flowers in 5-7 mm diameter heads.
>    - Leaves: Often feature variegated, colorful patterns (especially in
>    'Red Dragon'), often with a v-shaped mark.
>    - Habitat: Moist, boggy soil or beside water.
>
> Persicaria greuteriana
> <https://www.google.com/search?q=Persicaria+greuteriana&rlz=1C1SQJL_enIN948IN948&oq=Persicaria+greuteriana+%2B+Persicaria+microcephala+%2B+difference&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIHCAEQIRiPAjIHCAIQIRiPAtIBCjE4Njk5ajBqMTWoAgCwAgA&sourceid=chrome&ie=UTF-8&mstk=AUtExfBvCNnsyokt2YwEJZ4U2XB0o3bWmsNsSu_ofPqFD6_sK1mILG0wd94MvMuqfPw-tmw4ePrRW5M9QGzVhDBed9GIsb1WtMuyeRf7Aw8nRiUVPEpxXcNTDreUpQC6t2VGS0Ud8JyPT95xJHcTkHZP4gNFsd4oOTr51nPv1jZzg23Lrtg&csui=3&ved=2ahUKEwi1iMTUjq6SAxUfSGwGHWTTDbkQgK4QegQIBBAB>
>
>    - Taxonomy: Accepted as a distinct species in some databases (e.g.,
>    POWO), native to the Himalaya to China (Yunnan) and N. Thailand.
>    - Notes: Previously closely associated or confused with *P.
>    microcephala* (often referred to as *Persicaria wallichii* Meisn.).
>    - Habitat: Temperate biome.
>
> Differences
> <https://www.google.com/search?q=Differences&rlz=1C1SQJL_enIN948IN948&oq=Persicaria+greuteriana+%2B+Persicaria+microcephala+%2B+difference&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIHCAEQIRiPAjIHCAIQIRiPAtIBCjE4Njk5ajBqMTWoAgCwAgA&sourceid=chrome&ie=UTF-8&mstk=AUtExfBvCNnsyokt2YwEJZ4U2XB0o3bWmsNsSu_ofPqFD6_sK1mILG0wd94MvMuqfPw-tmw4ePrRW5M9QGzVhDBed9GIsb1WtMuyeRf7Aw8nRiUVPEpxXcNTDreUpQC6t2VGS0Ud8JyPT95xJHcTkHZP4gNFsd4oOTr51nPv1jZzg23Lrtg&csui=3&ved=2ahUKEwi1iMTUjq6SAxUfSGwGHWTTDbkQgK4QegQIBhAB>
>
>    - Taxonomic Status: *P. greuteriana* is listed as an accepted,
>    separate species, whereas *P. microcephala* is a well-known, widely
>    cultivated, and often variegated species.
>    - Morphology: Galasso noted *P. greuteriana* as a possible variation
>    of *P. microcephala*, suggesting high similarity, though they may have
>    different hairiness on the stems or bracts (ocreae).
>    - Usage: *P. microcephala* 'Red Dragon' is popular in horticulture for
>    its foliage
>
>
> On Thu, 8 Jan 2026 at 15:09, Saroj Kasaju <[email protected]> wrote:
>
>> *Persicaria microcephala *(Wall. ex D.Don) Sasaki ??
>>
>> Thank you.
>>
>> Saroj Kasaju
>>
>>
>> On Sun, May 20, 2018 at 7:34 PM Saroj Kasaju <[email protected]>
>> wrote:
>>
>>> Dear Ritesh sir,
>>>
>>> I am afraid the flowering pattern and
>>> leaf pattern/ shape looks different to
>>> P. hydropiper.
>>>
>>> Thank you.
>>>
>>> Saroj Kasaju
>>>
>>> On Wed, Nov 1, 2017 at 8:48 PM, Saroj Kasaju <[email protected]>
>>> wrote:
>>>
>>>> Dear Mr. Garg,
>>>>
>>>> It is not yet properly identified so far I guess !
>>>>
>>>> Thank you.
>>>>
>>>> Saroj Kasaju
>>>>
>>>> On Wed, Nov 1, 2017 at 8:39 PM, J.M. Garg <[email protected]> wrote:
>>>>
>>>>> I think same as in another thread
>>>>> <https://groups.google.com/forum/#!topicsearchin/indiantreepix/subject$3ASK362$20AND$20subject$3A02FEB-2017$3AID/indiantreepix/Kvu98rJNOh8>
>>>>>
>>>>> On 16 October 2017 at 21:33, Saroj Kasaju <[email protected]>
>>>>> wrote:
>>>>>
>>>>>> Dear Ritesh Ji,
>>>>>>
>>>>>> Does not it look like SK362 02FEB-2017:ID  ??
>>>>>>
>>>>>> Thank you.
>>>>>>
>>>>>> Saroj Kasaju
>>>>>>
>>>>>> On Mon, Oct 16, 2017 at 10:30 AM, J.M. Garg <[email protected]>
>>>>>> wrote:
>>>>>>
>>>>>>> ---------- Forwarded message ----------
>>>>>>> From: "Saroj Kasaju" <[email protected]>
>>>>>>> Date: 04-May-2017 11:35 PM
>>>>>>> Subject: SK501 04 MAY-2017:ID
>>>>>>> To: "efloraofindia" <[email protected]>, "J.M. Garg" <
>>>>>>> [email protected]>
>>>>>>> Cc:
>>>>>>>
>>>>>>> Dear Members,
>>>>>>>
>>>>>>> Location: Soureni, Mirik, India
>>>>>>> Date: 21 April 2017
>>>>>>> Altitude: 4400 ft.
>>>>>>>
>>>>>>> Persicaria ...???
>>>>>>>
>>>>>>> Thank you.
>>>>>>>
>>>>>>> Saroj Kasaju
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> With regards,
>>>>> J.M.Garg
>>>>>
>>>>> 'Creating awareness of Indian Flora & Fauna'
>>>>> <http://en.wikipedia.org/wiki/User:Jmgarg1>
>>>>>
>>>>> Winner of Wipro-NFS Sparrow Awards 2014 for efloraofindia
>>>>> <https://sites.google.com/site/efloraofindia/award-for-efloraofindia>
>>>>> .
>>>>>
>>>>> For identification, learning, discussion & documentation of Indian
>>>>> Flora, please visit/ join our Efloraofindia Google e-group
>>>>> <https://groups.google.com/forum/#!forum/indiantreepix> (largest in
>>>>> the world- around 2800 members & 2,65,000 messages on 31.3.17) or 
>>>>> Efloraofindia
>>>>> website <https://sites.google.com/site/efloraofindia/> (with a
>>>>> species database of more than 12,000 species & 2,50,000 images).
>>>>>
>>>>> The whole world uses my Image Resource
>>>>> <http://commons.wikimedia.org/wiki/Category:J.M.Garg> of more than a
>>>>> thousand species & eight thousand images of Birds, Butterflies, Plants 
>>>>> etc.
>>>>> (arranged alphabetically & place-wise). You can also use them for free as
>>>>> per Creative Commons license attached with each image.
>>>>>
>>>>> Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of
>>>>> India'.
>>>>>
>>>>
>>>>
>>>
>
> --
> With regards,
> J.M.Garg,
> https://efloraofindia.com/
>

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