There is a new suggestion - Aconitum laciniatum

On Oct 19, 2016 00:10, "Tapas Chakrabarty" <[email protected]> wrote:

> Thank you once again Sir.
> Regards,
> Tapas.
>
> On Tue, Oct 18, 2016 at 9:14 PM, Tapas Chakrabarty <[email protected]>
> 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 This key belongs to an unpublished manuscript on the Flora of Sikkim and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 <
>> [email protected]> 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 <[email protected]>
>>> *To:*
>>> *Cc:* efloraofindia <[email protected]>; J.M. Garg <
>>> [email protected]>
>>> *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, [email protected] <
>>> [email protected]> 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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>>>
>>
>

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