Indigofera trifoliata

 

Images by Nidhan Singh & Gurcharan Singh (Inserted by J.M.Garg)

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Undershrub with robust trailing branches; leaves trifoliate; leafletsshallowly notched, black-gland-dotted on under surface, racemes almost sessile, flowers bright red in axillary clusters, bristle-like calyx teeth and pubescent deflexed pod with distinct wings, 8-10 mm long, 4-6 seeded., seed, as long as broad and red flowers in axillary clusters. 


Indigofera trifoliata L., Cent.Pl. 2:29. 1756.
Undershrub with robust trailing branches; leaves trifoliate; leafletsshallowly notched, black-gland-dotted on under surface, racemes almost sessile, flowers bright red in axillary clusters, bristle-like calyx teeth and pubescent deflexed pod with distinct wings, 8-10 mm long, 4-6 seeded., seed, as long as broad and red flowers in axillary clusters.
Photographed from Chakrata Tiger fall road in September.

Please find pics of Indigofera trifoliata...recorded from Chakrata !! 


Fabaceae-Faboideae (Papilionaceae) Week: Lespedeza sp. from Chakrata Tiger fall area: Undershrub with robust trailing branches; leaves trifoliate up to 2.5 cm long, and red flowers in axillary clusters.
Photographed from Chakrata Tiger fall road in September.
Could this be an Indigofera species? I think pods of Lespedeza are 1-seeded. I may be wrong though.
..., you are never wrong
I never knew Indigofera has a few species with trifoliate leaves, so perhaps ignored the pod length.
Yes it matches with Indigofera trifoliata L. with leaflets gland-dotted on under surface, racemes almost sessile, bright red corolla , bristle-like calyx teeth and pubescent deflexed pod with weak wings.
I agree with your id : I. trifoliata.
Surely Indigofera, but to me it look more like I. trita
I did consider I. trita seriously but went for I. trifoliata because:
1. the pods appear winged.
2. under surface of leaf is gland-dotted
3. according to eflora of Pakistan inflorescence may be up to 4.5 cm long in I. trita, here it is sessile
4. I trifoliata is reported from the area, not I. trita
Enclosing some more close ups
I just came across the description in Herbaceous Flora of Dehradun by C R Babu, adjacent to our Chakrata. He reports Indigofera prostrata from the area, a species that was treated under I. trifoliata in FBI and few other Floras, but as distinct species by Gamble, Babu and now The Plant list. According to Babu the two are differentiated as under:
Indigofera trifoliata: perennial, stout stems, leaflets shallowly notched, stout; pod 8-10 mm long, 2 mm broad, 4-6 seeded; sutures winged, seeds as long as broad.
Indigofera prostrata: annual, slender stems, leaflets obtuse mucronate, slender; pod 13-15 mm long, 1 mm broad, 8-9 seeded, faintly winged; seeds longer than broad. 
In above photographs leaves appear mucronate, but other things don't match I. prostrata they rather approach I. trifoliata.
Your comments please.
I consider the posted plant as Indigofera trifoliata, mainly due to the prominent wings. I. prostrata is a prostrate herb with very narrowly winged pods. It is not I. trita for sure.
Just to complete the discussion please try to answer my query too...
Why it is not Indigofera glandulosa?
You are right to point out the possibility. Interestingly it is also reported in Herbaceous Flora of Dehradun. Here are characteristics of three suspected species:
I. trifoliata                                         I. prostrata                                    I. glandulosa
1. Perennial, stout stems                   Annual, slender erect stems          Annual, slender erect stems
2. Leaflets shallowly notched             leaflets obtuse or mucronate          leaflets obtuse or mucronate
3. lower surface black-gland dotted    orange-gland dotted                       brown-gland dotted
4. pod 8-10 mm long, 4-6 seeded       pod 13-15 mm long, 6-9 seeded     pod 5-6 mm long, 1-2 seeded
5. pod distinctly winged                     pod faintly winged                         pod distinctly winged, wings toothed
6. seed as long as broad                   seed as long as broad                   seed longer than broad

Based on length of pod and wings, it appears closer to I. trifoliata, but others are also very close.
Appears closer to images of Indigofera glandulosa Wendl. by ..., rather than images of Indigofera trifoliata L. by ....
This should be either Indigofera trifoliata or I. trita, not I. glandulosa.
Thanks, ...,
Appears like Indigofera trifoliata as per A revision of trifoliolate Indigofera (Tribe Indigofereae: Fabaceae) in India - Vibha Chauhan, Arun Pandey - Phytotaxa  Vol 220, No 1 (2015)- a copy of which I have marked to you separately in Dec.'15.
If anyone still want it I can send it to him again.
Thanks ..., for the ID validation and the paper.

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ANSEPT75 Please confirm if Indigofera glandulosa : 3 posts by 2 authors. Attachments (6).
Tharalu village Bangalore 26th September 2014
According to Gamble, the underside is spotted with black-glands. The glands on the underside of the leaf I have photographed are white. If this is still I. glandulosa, can somebody please clarify if such variation is possible?
When compare with earlier postings it is matching with Indigofera glandulosa
Thank you sir.
Appears like Indigofera trifoliata as per A revision of trifoliolate Indigofera (Tribe Indigofereae: Fabaceae) in India - Vibha Chauhan, Arun Pandey - Phytotaxa  Vol 220, No 1 (2015)- a copy of which I have marked to you separately in Dec.'15.
If anyone still want it I can send it to him again.
It could be Indigofera trifoliata or I. prostrata, depends on minute difference which can be determined under stereomicroscope.
Pods 1–1.5mm broad, obscurely winged; terminal petiolule as long as lateral ones....................... I. prostrata
Pods more than 1.5mm broad, prominently winged; terminal petiolule slightly longer than the lateral ones.....I. trifoliata

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Indigofera trifoliata L. (accepted name) ?? : 4 posts by 2 authors. Attachments (16)
Location: Chobhar Height, Kathmandu , Nepal
Altitude:  4600 ft.
Date: 15 September 2016
I think matches with images at Indigofera trifoliata
Location: Chobhar Height, Kathmandu , Nepal
Altitude:  4600 ft.
Date: 18 July 2017 
Attachments (8)

I guess same sp.
Location: Chobhar, Kathmandu, Nepal  
Date: 7 August 2018
Elevation: 4500 ft.
Habit : Wild
Attachments (7)


 
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Fabaceae for ID :: SGNP, Mumbai :: Sep 2015 :: ARKJUN-02 : 3 posts by 2 authors. Attachments (3)
Clicked these images at the Shilonda trail in SGNP in Sep 2015.
Requested to please provide ID.
Sir I think Indigofera trifoliata L.

 
Fabaceae for ID :: SGNP, Mumbai :: Sep 2015 :: ARKJUN-02 : 4 posts by 2 authors. Attachments (3)
Clicked these images at the Shilonda trail in SGNP in Sep 2015.
Requested to please provide ID.

Sir I think Indigofera trifoliata L.

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Indigofera for ID :: OCT2018 MK002 : 4 posts by 3 authors. Attachments (5)- around 350 kb. 
Please help me ID this Indigofera sp. Could this be Indigofera trifoliata?
Date: 05 Nov 2017
Location: Mudumalai, Nilgiris, TN
Altitude: 900 m asl
Habitat: Deciduous forest

I guess the ID is correct.

Appears close as per first glance at 




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