Thank you once again Sir.
Regards,
Tapas.

On Tue, Oct 18, 2016 at 9:14 PM, Tapas Chakrabarty <tchak...@gmail.com>
wrote:

> Dear Sir,
> Thank you.
> The photograph was taken from a plant near Thangu, North Sikkim at about
> 4000 m altitude.
> This key belongs to an unpublished manuscript on the Flora of Sikkim and
> the family Ranunculaceae is authored by R. C. Srivastava, ex Scientist of
> Botanical Survey of India.
> it is indeed well known that the keys to the taxa of certain plant
> families should be prepared by supplementary field observations as well.
> Regards,
> Tapas.
>
> On Tue, Oct 18, 2016 at 8:08 PM, C CHADWELL <chrischadwell261@btinternet.
> com> wrote:
>
>> Dear Tapas
>>
>> Thanks for sending the key.  Would you let me know which publication this
>> comes from?
>>
>> *Would you also please provide an approx. altitude and general location
>> where you took your photos?*
>> *Such information is important and should always accompany any images of
>> any genus sent for*
>> *identification.*
>>
>> I do have the key in 'Flora of Bhutan' Vol 1 Part 2 (1984), which covers
>> Sikkim as well but clearly the knowledge
>> of the genus in the E.Himalaya has advanced since then.
>>
>> *One must always use keys with caution.  They are difficult to prepare
>> and inevitably imperfect.  They can*
>> *serve a useful purpose in narrowing down the most likely candidates but
>> even so.*
>>
>> *A major problem is that most are mostly prepared from a limited number
>> of dried, pressed herbarium specimens -*
>> *the characteristics of living/fresh specimens is often not known by
>> herbarium taxonomists.*
>>
>> *The detail one can see in photos - not matter how close-up they are (and
>> yours are not) is often inadequate*
>> *and/or requires inspect of both flowers and fruit, which seldom are
>> available together.*
>>
>>
>> Best Wishes,
>>
>>
>> Chris Chadwell
>>
>>
>> 81 Parlaunt Road
>> SLOUGH
>> SL3 8BE
>> UK
>>
>> www.shpa.org.uk
>>
>>
>>
>>
>>
>>
>> ------------------------------
>> *From:* Tapas Chakrabarty <tchak...@gmail.com>
>> *To:*
>> *Cc:* efloraofindia <indiantreepix@googlegroups.com>; J.M. Garg <
>> jmga...@gmail.com>
>> *Sent:* Tuesday, 18 October 2016, 9:04
>> *Subject:* Re: [efloraofindia:254056] Re: Aconitum heterophyllum [?]
>> (Ranunculaceae) from North Sikkim.
>>
>> Thank you Chadwell ji,
>> There are 12 species of Aconitum recorded for Sikkim. I have no knowledge
>> in this group.
>> Someone gave me a Key to the species in Sikkim which I am furnishing
>> below thinking that it may be of some use.
>> Regards,
>> Tapas.
>>
>> 1a.
>> Climbing or twining herbs                                                    
>>                      2.
>> *A. elwesiii*
>>   b.
>> Erect herbs
>>                                                             2
>> 2a.
>> Annual herbs with slender tap roots; carpels 9 –
>> 12                              5. *A. gymnandrum*
>>  b.
>> Perennial or biennial herbs, usually with a paired tap root; carpels 3 –
>> 5 (-8)                3
>> 3a.
>> Inflorescences 1 – 4-flowered
>>                                          10. *A. naviculare*
>>  b.
>> Inflorescences many-flowered
>>                                                                       4
>> 4a.
>> Perennial herbs
>>                           11. *A. novoluridum*
>>  b.
>> Biennial herbs
>>                                                       5
>> 5a.
>> Petals hispid or hispidulous
>>                                             6
>>  b.
>> Petals glabrous
>>                                                             9
>> 6a.
>> Carpels glabrous, drying black
>>                            4. *A. gammiei*
>>  b.
>> Carpels pubescent
>>                                                      7
>> 7a.
>> Carpels 3 (-4 – 5)
>>                                                    8. *A. laciniatum*
>> b.
>> Carpels 5
>>                                                           8
>> 8a.
>> Uppermost sepal horizontal, conspicuously beaked; carpels densely yellow
>> velutinous
>>
>>                                                       9. *A. nakaoi*
>>
>>  b.
>> Uppermost sepal oblique, shortly beaked; carpels sparsely pubescent to
>> glabrous
>>
>>                                          6. *A. heterophylloides*
>> 9a.
>> Carpels glabrous
>>                                   1. *A. bisma*
>>
>>  b.
>> Carpels pubescent
>>                                                      10
>>
>> 10a.
>> Leaves from hypogynous base of stem
>> 7. *A. hookeri*
>>
>>   b.
>> Leaves basal and cauline
>>                                                                      11
>>
>> 11a.
>> Bracteoles linear, entire; flowers dirty blue; petal head *ca *6 mm
>> long          3. *A. ferox*
>>
>>   b.
>> Bracteoles broad, dentate; flowers deep blue; petal head *ca *10 mm
>> long
>>                                                12. *A. spicatum*
>>
>>
>> On Mon, Oct 17, 2016 at 11:12 PM, chrischadwell...@btinternet.com <
>> chrischadwell...@btinternet.com> wrote:
>>
>> I can say with certainty that this is definitely not *Aconitum
>> heterophyllu*m  - a species not found in the E.Himalaya. I had delayed
>> in sending an initial response in hope that some else would name it!
>>
>> My knowledge of Eastern Himalayan flora is much less with relatively few
>> plant explorations in the region.  I have not been into Sikkim proper.
>>
>> Aconitum is not an easy genus; I see there are a number of images of
>> specimens of this genus photographed in Sikkim on efi site which have not
>> be identified yet.  *Another task awaiting to take a close look at all
>> these!*  Clearly there is no expert on the genus currently available?
>> There are quite a number of species to consider.  I could say it was
>> similar to one or two species but need time to look into the E.Himalayan
>> representatives further.  Some 20+ species recorded from Bhutan & Sikkim -
>> though one can readily eliminate most of these.
>>
>> Shall wait further just in case there is anyone out there who can come to
>> our assistance?
>>
>>
>> On Sunday, October 9, 2016 at 6:05:01 PM UTC+1, tchakrab wrote:
>>
>> Kindly look at the attachments.  This is fairly common there.
>> Regards,
>> Tapas.
>>
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