Parthenium hysterophorus

 
par-THEN-ee-um -- old name for several plants, known to treat some feminine problems ... Dave's Botanary
his-ter-oh-FOR-us -- bearing a womb (uterus) ... Dave's Botanary

commonly known as: bitterweed, carrot grass, congress grass, false ragweed, parthenium-weed, ragweed parthenium, Santa Maria feverfew, whitetop weed, wild carrot weed • Hindi: चटक चांदनी chatak chandani, गाजर घास gajar ghas • Kannada: ಕಾಮ್ಗ್ರೆಸ್ಸು ಗಿಡ kaamgressu gida • Malayalam: കോൺഗ്രസ് പുല്ല് congress pull • Marathi: गाजर गवत gajar gavat

Native to: subtropics of North and South America; widely naturalized elsewhere

Very problematic weed growing everywhere and allergic specially to Males;  
 

 
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Flora of Panipat: Parthenium hysterophorus from Sodhapur Panipat: Parthenium hysterophorus from Sodhapur Panipat
Very problematic weed growing everywhere and allergic specially to Males 
our pl480 gift that keeps increasing... this year i saw it all along highways in bihar, chhatisgarh, west bengal....
i am very allergic to its pollen, and leaf sap.... so skin and nose, sinus eyes ....are affected 
i know it cause asthma lacally called gajer ghas
 
 
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Location- Place, Altitude, GPS-Pune
Habitat- Garden/ Urban/ Wild/ Type-Wild
Plant Habit- Tree/ Shrub/ Climber/ Herb- Herb
Height/Length- 10 cms approx
Leaves Type/ Shape/ Size-Green
Flowers Size/ Colour/ Calyx/ Bracts- pretty white flowers
Fruits Type/ Shape/ Size Seeds- ?white seeds
I think this is called Congress grass ? ?ergot

NOT ergot... ergot is what paratizies winter wheat/rye... and some other grasses......  and from which ergotamine/methergin the uterine contaction medicine is derived...  and Cafergot was being used when I
was an intern for migraine...now I dont know, stronger painkillers seem to have replaced vasoactive substances.
We worry more about toxicity of ergot than the therapeutic benefits....
wiki has nice short essay with details and pictures ... at URL: http://en.wikipedia.org/wiki/Ergot
our old pharmacology texts used to show, as did the biochemistry texts...

Many drugs are made from ergot which is actually a fungus called Claviceps purpurea. One of the famous banned drug from ergot is LSD .
but that research stayed at theta level.. while ergotamine and cafergot have had a very practical legal usage in allopathic medicine... that's why it stays up in memory and gets recalled first...

I will tell you why I said ?ergot. As a child when Emergency was declared wheat available in the market was mixed with some other seed which I was told by someone that it is Congress grass seed and is called Ergot bi. I had  those memories and so just wanted to confirm
WHeat could be mixed in with the weeds seeds and simultaneously be infected with ergot fungus...
there are many episodes of ergot poisoning in europe when the entire section  of population ate ergot infected rye bread.. rye is a type of wheat in europe..... so your neighbor of childhood may have it right that there was congress grass seeds and ergot... both.. could be... I wonder if anybody has looked into whether indians around that time had a higher incidence of leaky valve syndromes or other vascular disorders out of proportion HIGH incidence  or miscarriages or other vascular events, incidences of  which have since subsided ... since the infected wheat is no longer consumed...
we in India have the some of the strongest statisticians but the govt  never looks into these kinds a data...   I have not seen any papers related to wheat weed problems affecting heart or causing higher numbers of miscarriages/abortions....

This link for all the people who wants to know more about how ergot came to the attention of human civilization. http://en.wikipedia.org/wiki/Ergotism


 
https://groups.google.com/group/indiantreepix/attach/fcb138f1dff64e52/DSC07720.JPG?part=0.1&authuser=0&view=1
130312::Merrut::Sl. No.-3: Date/Time- 11th March, 2012
Location- Place- Merrut, Uttar Pradesh

Habitat- Wild

Plant Habit- Shrub/Herb


 
 
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SYMBIOSIS : 209: Attachng an image of Peacock Pansy butterfly on the flowers of Parthenium hysterophorus.


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Parthenium hysterophorus Linnaeus, a very very common herb found in everywhere, often published as infamous weed, but maybe useful to some critters!
ID Help :

 
 
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MEXICAN BEETLE AND CONGRESS GRASS CONTROL :  Attachments (1). 3 posts by 3 authors.
Can the learned botanists guide me on the subject of the Mexican beetle vs Congress grass.
1. How efficacious has the Mexican beetle proved in the control of the alien weed, Congress grass, in India?
Congress grass is Parthenium hysterphorus and the biocontrol agent is Zygogramma bicolor a coccinellid. Though the coccinellid grubs and adults feed voraciously on the plants and can defolitae it, have been released in many places for its control..... it has also started feeding on sunflower which is a commercial crop. 
Sun flower has the ability to absorb radioactive ions and heavy metals. 
 
 
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Parthenium hysterophorus L.  
par-THEN-ee-um -- old name for several plants, known to treat some feminine problems ... Dave's Botanary
his-ter-oh-FOR-us -- bearing a womb (uterus) ... Dave's Botanary
commonly known as: bitterweed, carrot grass, congress grass, false ragweed, parthenium-weed, ragweed parthenium, Santa Maria feverfew, whitetop weed, wild carrot weed • Hindi: चटक चांदनी chatak chandani, गाजर घास gajar ghas • Kannada: ಕಾಮ್ಗ್ರೆಸ್ಸು ಗಿಡ kaamgressu gida • Malayalam: കോൺഗ്രസ് പുല്ല് congress pull • Marathi: गाजर गवत gajar gavat
Native to: subtropics of North and South America; widely naturalized elsewhere
References: Flowers of IndiaENVIS - FRLHTNPGS / GRINPIER  
at Rajgurunagar near Pune on 07 DEC 09

sharing images of Parthenium hysterophorus from Pune
Yes ... Carrot grass but Congress grass in our country.
Great capture of the heads of a noxious weed
 
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https://08511630493324166816.googlegroups.com/attach/96615e94ab1a2020/Parthenium-flower-9-4-Delhi-1.jpg?part=0.1&view=1&vt=ANaJVrGiYTAo24JfCfiCLJMrVRrkoa1Myz5nkDpA5MaNYM4toRluSNEMAnXk0p1GIiRXQZF6FF5uV7fXv_tYqoPx7bdqEqmGbJUQozCmlGeGhyaLgHx-yQk
https://08511630493324166816.googlegroups.com/attach/96615e94ab1a2020/Parthenium-Rajouri-gdn-13-7-DSC02227-Delhi-3.jpg?part=0.3&view=1&vt=ANaJVrG7WIZty03X2KoNiMlFwQeVfiN2wKOGQ95U5eRNr6gwFy_zXLyn-1eZZLcETbcjHEKRFWBUSlA16_5Opc1GkcB2S9z5m0TfZX__J3mjlILa2DPMYSw
https://08511630493324166816.googlegroups.com/attach/96615e94ab1a2020/Parthenium-hysterophorus-Rajouri-gdn-29-6-DSC01845-Delhi-4.jpg?part=0.2&view=1&vt=ANaJVrH0zNrQn2EZqpBD2o2qgKQsSdzTuNvyzcjj--6-Sib8Mb9WS3BP4vWe1Qh4DoWG1wFFiW5g7ngRbPgt2T7LOe2-hggHb_G-w9-xuagIHmC7LUKx63k
Parthenium hysterophorus, very common weed in Delhi and elsewhere.
 
 
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Parthenium hysterophorus from Mumbai.
yes ... Nice photograph
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Asteraceae Fortnight Part I-Radiate Heads:P
arthenium hysterophorus-the uninvited one - NS 60 : Attachments (7). 2 posts by 2 authors.
This common and very fast spreading, noxious weed was shot from various locations, practically encroached every location in the plains, be it dry or moist, have gone up the hills up to a considerable height... the congress grass... Parthenium hysterophorus.... 
Good photographs ...
 
 
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Attached are pictures of Parthenium hysterophorus captured at Almora, Uttarakhand in November 2012.
Posting them this fortnight as I had missed the earlier fortnight...
Requested to please confirm ID. 
Horrible plant. An American gift to India.
 
 
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SYMBIOSIS : 581 :  1 post by 1 author. Attachments (1).  
Attaching an image of a Indian Cabbage White butterfly on the flowers of Parthenium.
 
 
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Shrub ID from Bangladesh SM128 : 3 posts by 3 authors. Attachments (2).
Habit: Shrub
Habitat: Wild

Location: Dhaka City

This is the noxious weed Parthenium hysterophorous...
Leaves look different when compared with typical Parthenium plant. Is it a normal variation?


 
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request for identification 7 : 3 posts by 2 authors. Attachments (1) - 1 MB.
id of the plant plz
shot in sambalpur

Can we identify it only from leaves? Wild guess
Parthenium or Artemisia
Thanks, ...  Most likely to be Parthenium
 
 
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Parthenium Awareness to Parthenium utilization: From 1988, through Society for Parthenium Management,  I am engaged in Parthenium awareness. Many years back India TV covered this campaign. Here are links
... in "Jeene Ki Raah" (India TV) Part-1 and 2
These days my work is focused (more) on Parthenium utilization as source of medicine.
 
 
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Tiny Herb for ID : Nasik : 06JUL19 : AK-17 : 4 posts by 3 authors. Attachments (1)
Tiny herb seen in Nasik on a mountain slope in the last week of June.
Could be Grangea maderaspatana?

Seems to Parthenium

Thanks for correcting me again.

  

References:
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