.
Flora of Pakistan gives the following keys:
8 (7) Bract linear, subulate, 6 mm or less long   Crotalaria retusa
+ Bract ovate, c. 10 mm or more long   Crotalaria spectabilis

.
kroh-tuh-LAR-ee-uh
 — Greek krotalos; refers to sound, dried pods make when shaken … Dave’s Botanary

Native of: Bangladesh, India, Myanmar, Thailand, Malaysia; naturalized throughout tropics
.
Canal of water Channel
Growing abundantly and wildly there

More pics of this plant


Thanks, nice to see it flowers even when short… the only times I have seen the flowers and fruits in Bengal
countryside is when the plant is tall and gangly… even had one come up in my garden I wasn’t home, by the time I came in it was tall and skinny…  your pic show them as group and robust.. nice to see the habitat… and early habit..


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Family: Papilionaceae
Place of collection: Ranpur, Nayagarh, Orissa
Habit: Herb
Habitat: Wild, grasslands, near pond
Altitude: 200 to 600 m above msl


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Crotalaria spectabilis Roth:
This herb was photographed from Karnal District, in December 2011 growing abundantly along a water channel. This is known as Showy rattlebox or showy crotalaria. It was a good find for me after along gap.


A common weed in Mysore city. Please upload the habit photo.



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KAS Week::Crotalaria spectabilis-02/10/2012-NJ:
Crotalaria spectabilis (Marathi-Dingla, Khulkhula)



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Could the learned members of the group help confirm the identity of these flowers growing wild on the banks of the Sukhna lake, Chandigarh, in the current season. (4.3.14)
Any background information on this flower would be welcome.

Crotalaria sp., could be C. retusa but not very sure.

These things should help
1. Fruit totally smooth or hairy?
2. size of flower.

Looks similar to Crotalaria spectabilis Roth (=Crotalaria sericea Retz.).


Yes … I think the larger ovate bracts point to C. spectabilis. Some lower leaves look rounded at tip, but none seems to be retuse.


Yes, this matches my opinion too… I have also recently got this plant around Morni Hills..
this is common around water bodies.. Crotalaria spectabilis


In response to … query on the fruit (Fruit totally smooth or hairy?), my response is: the fruit seems more to be on the hair-less side.
Could the learned members also cite some interesting aspects of this plant, that would be of interest to a newspaper reader?


Absolutely right…


Could the learned members guide me as to this aspect of crolataria sp, identified above in the string.
1. Is it true that some butterfly or moth species feed on this herb to take in the “pyrrolidizine alkaloids” as a measure of defence and sexual selection processes?



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Crotalaria retusa :: Hooghly, West Bengal:
Sharing images of “Crotalaria retusa“. We call it ‘ATASI’ in Bengali and I found the ID in the book “Plant Groups” (by H. Mukherji, 1981 edition, 2005 reprint)


This plant seems to be Crotalaria spectabilis Roth., as can be identified by foliaceous persitsent stipules, as in … Sir’s post.


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Fabaceae (Faboideae) Fortnight :: Crotalaria spectabilis ::Morni :: NS OCT 26/26  : 1 post by 1 author. Attachments (2)
Sharing these pics from Morni hills, to me they look like belonging to Crotalaria spectbilis …



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Fabaceae Fortnight-PC-01-05.10.2015  : 7 posts by 5 authors. Attachments (3)
Crotalaria sp. from Panjab university, Chandigarh


Please check C. spectabilis Roth.


Crotolaria sp


Yes it is C. spectabilis.


I think Crotalaria spectabilis



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Fabaceae (Faboideae) Fortnight :: Crotalaria spectabilis ? :: Gori valley :: NS OCT 19/19 : 3 posts by 3 authors. Attachments (7)
Please suggest if this can be Crotalaria spectabilis..
Images recorded from Gori valley..!!


Crotalaria spectabilis to me.



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Fabaceae (Faboideae) Fortnight :: Crotalaria spectabilis for validation :: Kaithal :: NS OCT 21/21  : 3 posts by 2 authors. Attachments (7)
This high herb was found in flowering near my native village in Kaithal..
Please suggest if id requires correction..!


For me … ID is correct. It matches the description given at: http://www.gri.msstate.edu/ipams/species.php?CName=Showy%20rattlebox


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Names of Plants in India :: Bengali names of Crotalaria spectabilis : 3 posts by 2 authors.
Please help me with the Bengali names of Crotalaria spectabilis in Bangla script: pipuli jhunjhun, jhumjhumo
Reference: The Useful Plants of India by NISCAIR


পিপুলি ঝুনঝুন,  ঝুমঝুমো


.


Names of Plants in India :: Telugu name(s) for Crotalaria spectabilis : 2 posts by 1 author.
Will be glad to know any Telugu name(s) for Crotalaria spectabilis … not sure whether distributed in Eastern Ghats.

…, it is known as పెద్ద గిలిగిచ్చ; pedda means large because of spectacular flowers. It is not common but found as exotic here and there.


Thank you very much …, for the name and information.


.


via Species‎ > ‎C‎ >
Crotalaria spectabilis Roth … family: Fabaceae ~ Papilionaceae

Flowers of India Discussions at efloraofindia more views in flickr more views on Google Earth
kroh-tuh-LAR-ee-uh — Greek krotalos; refers to sound, dried pods make when shaken … Dave’s Botanary
speck-TAB-ih-liss — spectacular … Dave’s Botanary 
commonly known asrattleboxshowy rattlepod • Assameseজুমজুমি jhumjhumi • Bengaliঝুমঝুমো jhumjhumoপিপুলি ঝুনঝুন pipuli jhunjhun • Hindiघुंगरी ghungriजंगली शण jangli sanझुनझुनिया jhunjhunia • Kannadaಕಾಡು ಸೆಣಬು kaadu senabu • Marathiदयाळी dayaliडिंगळा dingala • Nepaliभुवन झार bhuvan jhar • Sanskritघण्टारवा ghantarava • Teluguపెద్ద గిలిగిచ్చ pedda giligitcha 
botanical namesCrotalaria spectabilis Roth … synonymsCrotalaria altipes Raf. • Crotalaria cuneifolia (Forssk.) “Schrank, p.p.B” • Crotalaria leschenaultii DC. • Crotalaria macrophylla Wienmann • Crotalaria retzii Hitchc. • Crotalaria sericea Retz. … status at The Plants List (2013). Version 1.1. 
January 13, 2008 … Mahabaleshwar 


It is also known Chan Bichhia in hindi.


Many many thanks … 

It will be good to know of the reference where we can find this name given to C. spectabilis. But of course, it will not matter if there is none. 
Will go with सन-बिच्छिया
सन (other variants: शण, शन, सण) = hemp, jute, fibre
बिच्छिया = toe-rings

As chilren whenever saw the pod we use to pluck it and play with it.


Sure …!! Inline image 1Inline image 2 Good reference !!



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Seen this lone individual by the roadside near Saputara, Gujarat in Feb 2017.
ID suggested was Crotalaria spectabilis. Requested to please validate.


Thanks,  …  Pl. Also Check comparative images at crotalaria page in EFI at efi site.


Thanks, … I think matches with images at Crotalaria spectabilis


Yes Its Crotalaria spectabilis.



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Crotalaria Species for ID : Nasik : 20DEC19 : AK-16 : 6 posts by 3 authors. Attachments (4)
Crotalaria Species seen by the roadside in Nasik in Nov,19.
For Species id please.


Could this be Crotalaria spectabilis?


To me also appears close to images at Crotalaria spectabilis



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butterflies & Flower:
Butterflies seen flocking to flowers in open area around Asansol (W.B.) 14/11/2010

This is Crotalaria sp.  I have seen these plants in Ovalekar Butterfly garden in Thane. The butterflies do not visit the plants unless the plants leaves are eaten by the caterpillars of a moth.


This could be Crotalaria retusa

Crotalaria spectabilis Roth as per keys in Flora of Pakistan.



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Crotalaria sp for ID-3-10032014-PKA-March-32 : Attachments (2). 5 posts by 4 authors.
Seen this Crotalaria sp. en-route Mullayanagiri (Karnataka).
Date/Time: 25-01-2014 / 11:30AM
Habitat: Wild
Plant Habit: Herb (approx 30 to 40cm)

Could not spot any flowers, only pods..


Seem to be the pods of Crotalaria retusa.
I had seen at Bannerghatta, Bangalore.

I am not sure, perhaps I need to recheck my own upload, which may not be C. retusa L.


Yes i agree with …


Crotalaria spectabilis Roth as per keys in Flora of Pakistan.


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Crotalaria retusa FOR VALIDATION / ELSE ID :: Yeoor Hills, part of SGNP :: 29 DEC 19 : 9 posts by 4 authors. 3 images.
Yeoor Hills  … part of Sanjay Gandhi National Park
Date: December 29, 2019 … Altitude range: about 100 ft (30 m) to 1575 ft (480 m) asl
¿ Crotalaria retusa ?  

I feel it is different.


Thanks … Even I too feel this is some different species, but I am not able to guess.


It could be retusa only,


Thanks very much … My thought of C. retusa is from the appearance of the flower.
The wide bush, and the tender leaves are confusing.
Hope someone helps with comments.

Thanks, … Last image gives a better perspective. Leaf like structures in first two images are bracts.
Inflorescence an erect, terminal raceme, c. 15-30 cm long. Pedicel c. 4-8 mm long. Bract 2-6 mm long; bracteoles 2, c. 1-2 mm long, half way up the pedicel.

However, such bracts are not being seen in efi site at Crotalaria retusa L.

Flora of Pakistan gives the following keys:
8 (7) Bract linear, subulate, 6 mm or less long   Crotalaria retusa
+ Bract ovate, c. 10 mm or more long   Crotalaria spectabilis

So, this should be Crotalaria spectabilis Roth as per images, details and references herein.


Very nicely arrived to ID; many many thanks … I should have known it. Now that you have made known the ID, it clearly looks C. spectabilis.


The orang-red fading glory of the flower had led me to think of C. retusa.
In wilderness, somehow I had never seen such colouration.

Alamy. I was doubtful from the beginning.



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Crotalaria spectabilis in FOI : 8 posts by 3 authors.
Image by Dinesh ji at Crotalaria spectabilis in FOI is of Crotalaria retusa as per keys in Flora of Pakistan as the bracts are linear, subulate and not ovate.
Pl. correct.

Thanks … But I do not think my picture in FoI shows Crotalaria retusa; it must be Crotalaria spectabilis.
Any other species close to these ?
Please let us wait for validating comments.

I can clearly see the linear subulate bracts. So it has to be Crotalaria retusa as per keys in Flora of Pakistan
Pl. see other image in FOI which clearly shows ovate bracts.
Both are regularly confused and I have corrected around 20 threads in efi yesterday.
Also see all the posts in efi site at Crotalaria retusa

Yes, bracts are linear in … images – in this one too. The two species are quite close. Meanwhile I have corrected the images on FOI,


Thanks … for scrutinizing this wrong ID.
Thanks … for pointing to another sighting with wrong labelling.
I will correct my notes in flickr shortly. In due course, I will post all my sightings of Crotalaria that I have labelled as C. spectabilis.

I have already corrected you wrong id’s posted on efi.


Thanks very much …
I will go through them, and check whether I have any other sightings inn my collection at flickr.

.


Need large yellow legume ID: 4 images.
Bhopal; black soil; 17/7/2021


Crotalaria cytisoides Roxb. ex DC


I think Crotalaria spectabilis


You seem right …


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