Thanks, Taffazull ji On Thu, 5 Oct 2023 at 15:22, [email protected] <[email protected]> wrote:
> Dear Tabish ji, > Thanks for the suggestion. > Leaves are very similar but the following features are puzzling when when > I do an image search for* Ambrosia artemisiifolia* on Google > 1. Stems are nowhere as hairy as in google images. > 2.In google images the capitula all point downwards but in my plant they > all point upwards.(Please see attached photo) > 3.In my plant the florets are of two distinct types. Outer florets with > thick white bifid styles projecting out forming a white ring. I could not > see such projecting bifid styles in outer florets on google images.( Please > see my photos in previous posts). > 4.Inflorescence seems to be of a different type from that in google images, > 5.Some Google images show deep yellow flowers(Hence the name ragweed ) but > I have never seen this weed with such yellow flowers. If I ever see it I > will post the photos here. > Gurcharan ji has posted *A.artemisiifolia* from Canada in October 2019 on > EFI so he could kindly shed more light on this. > Regards > Taffazull > > On Thursday, October 5, 2023 at 9:14:37 AM UTC+5:30 Tabish wrote: > >> This looks like *Ambrosia artemisiifolia*, a naturalized species in >> India. >> Tabish >> ------------------------------------------- >> <http://www.flowersofindia.net>www.flowersofindia.net >> The waterhole of flower lovers >> >> >> On Wed, Oct 4, 2023 at 10:33 AM J.M. Garg <[email protected]> wrote: >> >>> >>> >>> ---------- Forwarded message --------- >>> From: J.M. Garg <[email protected]> >>> Date: Fri, 22 Sept 2023 at 17:11 >>> Subject: Fwd: [efloraofindia:454691] Kindly help ID this Asteraceae >>> member from Srinagar >>> To: efloraofindia <[email protected]> >>> Cc: TAFA <[email protected]> >>> >>> >>> Forwarding again for Id assistance please. >>> >>> Some earlier relevant feedback: >>> Could it be *Artemisia indica *? >>> On crushing the leaves I found them to be aromatic though they they do >>> not smell as strongly as wormwood also a common weed here. >>> Also unlike wormwood ( *A.absinthium*) it is an annual and the leaves >>> too are not bitter in taste. >>> Regards >>> >>> Taffazull >>> In my previous post I had wrongly written that there are only disc >>> florets. I have since come upon a paper regarding closely related >>> *A.annua*: >>> *Floral Morphology and Floral Sequence in Artemesia annua*(2014) >>> Hazel.Y.Wetzstein *et al *Amer.Jr.Bot *101* (5) 875-885. >>> According to this paper outer florets are pistillate ray florets. So the >>> florets with thick styles are ray florets. Inner disc florets are >>> hermaphroditic I could also not see anthers. According to this paper the >>> anthers fuse and form a tube around the style(not visible from outside).The >>> paper also mentions presence of glandular trichomes on corolla and other >>> parts which produce artemisinin a critical antimalarial drug. I could also >>> see these glands (see photos). >>> If this species also produces artemisinin then it is of great economic >>> importance. It would be nice if the Indian Institute of Integrative >>> Medicine situated very near Rawathpora and the Botany Dept Of Kashmir >>> University make an intensive study of this interesting plant which if >>> exploited could be of great economic value as malaria is widespread in >>> India and hence there is demand for the antimalarial drug. >>> Regards >>> >>> Taffazull >>> I think looks different from images at >>> https://efloraofindia.com/2015/01/13/artemisia-indica/ >>> Also could not find a match as per comparative images at >>> >>> https://efloraofindia.com/2011/02/07/artemisia/- from me >>> >>> One more photo: >>> Magnified view of a Capitulum. Thick bifid styles of outer ( Pistillate, >>> Ray florets?) are prominent. Styles of inner ( hermaphrodite disc florets?) >>> not prominent. >>> Photo taken today only on 18th September >>> Regards >>> >>> Taffazull >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> ---------- Forwarded message --------- >>> From: [email protected] <[email protected]> >>> Date: Sat, 9 Sept 2023 at 15:31 >>> Subject: [efloraofindia:454691] Kindly help ID this Asteraceae member >>> from Srinagar >>> To: eFloraofIndia <[email protected]> >>> >>> >>> Dear members, >>> Am attaching photos of a weed that is common here. Request help in its >>> identification. >>> Habitat : Wild. Growing in a field in Rawathpora Srinagar. >>> Habit: Herb 1-2 m high. Inflorescence seems to be a capitulum (2mm >>> dia)with only disc florets. Tiny white bifid styles project outwards >>> and may serve to attract insects. Leaves very dissected and ferny. Photos >>> taken on 8 and 9 September. >>> All photos in this and my other posts are under CC-License(Attribution >>> only needed) >>> Regards >>> Taffazull >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "eFloraofIndia" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/indiantreepix/6e5c46cc-678f-4c0c-bf6f-44b3b0ab853an%40googlegroups.com >>> <https://groups.google.com/d/msgid/indiantreepix/6e5c46cc-678f-4c0c-bf6f-44b3b0ab853an%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >>> >>> -- >>> With regards, >>> J.M.Garg >>> >>> >>> -- >>> With regards, >>> J.M.Garg >>> >> -- > You received this message because you are subscribed to the Google Groups > "eFloraofIndia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/indiantreepix/18310023-5c6c-4066-bc4c-384ed517c230n%40googlegroups.com > <https://groups.google.com/d/msgid/indiantreepix/18310023-5c6c-4066-bc4c-384ed517c230n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- With regards, J.M.Garg -- You received this message because you are subscribed to the Google Groups "eFloraofIndia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/indiantreepix/CA%2BiuSFBZO2pd8f85ysZr7G%2B6ZVyd721Qb8tP_EpxQEc_TXNfnA%40mail.gmail.com.
