.
Caribbean-TRP (U); China (N); Guangdong; Guangxi; Guizhou ; Hunan; Sichuan; Yunnan; Hainan (N) ; India (N); Andhra Pradesh; Bihar ; Dadra-Nagar-Haveli ; Goa ; Gujarat ; Haryana ; Karnataka; Kerala; Madhaya Pradesh; Maharashtra ; Nicobar Is (N); Rajasthan; Sikkim; Tamil Nadu ; Uttar Pradesh; Myanmar (N); Ryukyu Is (N); Sri Lanka (N) ; Taiwan (N) as per ILDIS;
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Common name: Flax-Leaf Rattlepod, Narrow-leaved Crotalaria • Telugu: Nallagiri giligichha
..
Three four hairy species are quite confusing and we have to follow the following keys from Flora of Peninsular India as below:

36 Leaves elliptic lanceolate or oblong, more than twice as long as broad
  38 Stipules prominent ovate lanceolate or lanceolate
    39 Stem with spreading hairs
    41 Pods slightly exserted, 15-20 seeded   …. C.hirta
    41 Pods much exserted , 20-35 seeds
      42 Leaves villous beneath; bracts often 3 lobed; pods subsessile  ….. C.mysorensis
      42 Leaves appressed pubescent beneath; bracts simple; pods shortly stalked …. C.ferruginea
38 Stipules minute or 0.
  43 Pods as long as or shorter than calyx
    44 Calyx to 0.8 cm long; upper two lobes connate except at tip; pods globose … C.linifolia
    44 Calyx to 2.5 cm long; lobes connate at base only; pods oblong …. C. calycina
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Much branched herbs, up to 50 cm high; stems terete, pubescent. Leaves simple, 1.0-2.3 x 0.4-1.2 cm, oblong-obovate or obovate, cuneate at base, obtuse, rounded or retuse and slightly mucronate at apex, glabrous or glabrescent above, sericeo-pubescent beneath, margins involute, lateral nerves 3-6 pairs; subcoriaceous, up to 2.5 cm long; petioles 0.5-1.5 mm long, pubescent; stipules absent. Racemes terminal; peduncles 2-9 cm long, stout with few extra bracts. Flowers 3-7, 1.3-1.4 cm across; pedicels 2-3 mm long, pubescent, stout; bracts linear, 1.0-1.5 mm long pubescent; bracteoles 2, linear, ca 1.5 mm long, with few hairs. Calyx 5-lobed, tube ca 2 mm long, lobes 10.5-11.0 x 1-3 mm, piloso-pubescent, margins ciliate, 2-lipped, upper lip 2-lobed, lobes oblong-lanceolate, subacute at apex, divided to less than one fourth of its length, lower lip 3-lobed, lobes linear-lanceolate, acuminate at apex, divided to more than half of its length. Petals pale-yellow, equal to calyx or rarely very scarcely exserted; standard orbicular, 9-10 x 8-10 mm, retuse at apex, glabrous, claw 1.5 mm long, woolly; wing petals obovate or oblong, 8-10 x 2.5-3 mm, obtuse at apex, ridges to about half of its breadth, claw 1.0-1.5 mm long, woolly; keel petals ovate, 12.5-13.0 x ca 4.5 mm, margins ciliate, beak ca 4.5 mm long, straight, twisted. Staminal sheath 3-4 mm long; free filaments 2.5-5.0 mm long; anthers dimorphic, longer anthers linear-oblong, 2.5-3.0 mm long; shorter anthers, ovoid, 0.5-1.0 mm long. Ovary subsessile, oblong, ca 5 x 1 mm, narrowed above, glabrous; style 10-11 mm long, pilose throughout the length; stigma flat; ovules 22-44. Pods sessile, oblong, 1.3-1.5 x 0.6-0.7 cm, glabrous, brown; seeds 10-20.

Flowering and fruiting: November-February
Moist open places and wastelands
Tropical Asia to Australia
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi)
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Family: Papilionaceae
Place of collection: Ranpur, Nayagarh, Orissa
Habit: Herb
Habitat: Wild, grasslands, rice fields, forest boundary
Altitude: 100 to 300 m above msl

A small correction: it is C. linifolia (single n). There are two varieties and this looks like the typical one.



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Flora of Madhya Pradesh: 05022012 BS-3 Crotalaria sp for id from way to Maa Sharda Temple area:

Crotalaria sp for id from way to Maa Sharda Temple area
Small about 20 cm Crotalaria sp. Shot on 17-1-12

I think appears close to the images under Fabaceae (Faboideae) Week_ Crotolaria linnifolia_ 091111PD11 Flora of Orissa



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Identification of Crotalaria sp. : 5 posts by 2 authors. Attachments (2)– 2 Mb or more.
Pl help me in identification of the attached Crotalria sp.
Trailing on the ground. Radiating on all the sides. Leaves pubescent.
Flowers may fully open in the after noon.
Observed in Puzhal, Chennai, Tamilnadu on 16-08-15

Fully opened flowers observed after 4.00 p.m.

And full view of the plant (habitat)
Attachments (3) – 2 Mb or more.

Whether it could be Crotalaria albida ?


Looks like Crotalaria ramossisima

Thanks, …
To me also it appears close to images at Crotalaria albida Roth and does not match with images at Crotalaria ramosissima Roxb.
Thanks, …, for pointing out.

It is not Crotalaria albida, but  it is Crotalaria linifolia L.f.,
It is common in Nelapattu, Sriharikota areas which are near to Chennai
Description: Diffuse herbs, branches radiating from root stock; pubescent. Leaves alternate; simple, 1.0-2.3 × 0.4-1.2 cm, oblong-obovate, obtuse, glabrescent above, sericeo-pubescent beneath; stipules absent. Flowers yellow in 7-11 flowered lax, terminal racemes. Calyx piloso-pubescent, 2-lipped, (2)+(3), upper lip much larger, purplish. Corolla yellow, papillionoid; standard orbicular, retuse at apex, glabrous; wings oblong; keel twisted. Stamens 10, monadelphous. Ovary sessile, hirsute; style geniculate, stigma minute. Pods sessile, oblong, 1.3-1.5 × 0.6-0.7 cm, glabrous; seeds 10-20.



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ANDEC59 Which Crotalaria sp. is this?  : 4 posts by 3 authors. Attachments (8)
Mussoorie, Uttarakhand
November 2014


Resembles closely to Crotalaria sp.


I think close to images at Crotalaria juncea L.


Looks like Crotalaria linifolia.


Thanks, …  But images of linifolia look different in EFI site.
Pl. elucidate further. 


Please go through the detailed description given at this link and compare the detailed description  provided therein for stems, furits, seeds etc. and decide the ID. tropicalforages


Its Crotalaria linifolia

Any chance of Yes ! which is quite common in Uttarakhand at this elevation.


I have checked up again with all the recommended species.
It does not match with images at Crotalaria juncea L. & Crotalaria linifolia
I think it is Crotalaria albida as per images herein as pointed out by …


Taking it as the following as stated by Sangram Sonje ji (and as per descriptions at Crotalaria albida Roth vs Crotalaria linifolia L.f.)
https://efloraofindia.com/2011/02/20/crotalaria-linifolia/


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Crotalaria albida Roth vs Crotalaria linifolia L.f.:
Due to confusion in images in our site, I am trying to find the difference between the two:

Crotalaria albida Roth Crotalaria linifolia L.f.
From Flora of China:

Herbs, short-lived or perennial, erect to ascending, 10-80 cm tall. Stems sometimes branched above base, occasionally branched only at base, appressed pubescent to spreading pilose. Stipules acicular, minute, caducous, sometimes apparently ab­sent. Leaves simple, subsessile; leaf blade oblanceolate, elliptic, or obovate, 1-2.5 × 0.4-1.2 cm, abaxially strigose, adaxially glabrous, base cuneate, apex obtuse and mucronate.
Racemes terminal, often on lateral branches, rarely leaf-opposed, to 20 cm, 20-30-flowered; bracts filiform, ca. 1 mm. Pedicel 3-5 mm; bracteoles inserted at base of calyx tube, similar to bracts. Ca­lyx 2-lipped, 4-8 mm, parted; abaxial 3 lobes lanceolate; adax­ial 2 lobes broader, falcate, apices slightly obtuse to acuminate.
Corolla pale yellow; standard elliptic, 5-8 mm, base with appendages, apex barbate; wings oblong, ± as long as standard; keel rounded, narrowed apically from middle and extended into a twisted beak. Ovary subsessile. Legume cylindric, ca. 1 cm, slightly exserted beyond calyx, 6-12-seeded, glabrous. Fl. May-Sep, fr. Sep-Dec.

 

 

 

 

 

 

 

 

 

From IBP:
Diffuse herbs; branches radiating from a perennial stout root stock. Leaves to 1.5 x 0.5 cm, oblanceolate, obtuse, hairy below. Racemes to 6 cm long, terminal; bracts and bracteoles minute. Flowers 10 mm long, yellow; calyx 9 mm long; lobes unequal; standard 8 mm across, orbicular, hairy on back; wings 8 x 3 mm, rugose; keel glabrous. Pods 9 x 3 mm, obovate, glabrous; seeds few.

From Flora of Pakistan:
An undershrub c. 30-60 cm tall, branches silky pubescent. Leaf simple, c. 2.5-5.5 cm long, c. 4.5-13 mm broad, linear-oblong or oblanceolate, obtuse, apiculate, silky pubescent, pellucid-punctate; petiole 2.5 mm or less; stipules absent. Inflorescence a 6-20-flowered raceme, c. 5-13 cm long. Bract and bracteoles linear. Pedicel c. 3-5 mm long. Calyx c. 6-7 mm long, becoming enlarged in fruit; 3 lower teeth linear, the upper 2 broader. Corolla pale yellow. Vexillum c. 8-9 mm long. Fruit sessile, c. 1.2-1.6 cm long, oblong-cylindric, glabrous, 6-12-seeded.

From Flora of China:

Herbs, annual or short-lived perennial, erect to ascending, 0.5-1 m tall. Stems terete, densely silky pubescent. Stipules minute, caducous.

Leaves simple; petiole short; leaf blade linear to oblong, 2-5 × 0.3-1.5 cm, both surfaces silky pilose, adaxi­ally sometimes only along midvein, base cuneate to rounded, apex acuminate to obtuse and mucronate.
Racemes terminal, lax, 10-20 cm, many flowered; bracts lanceolate, 2-3 mm. Pedicel to 2.5 mm; bracteoles inserted at base of calyx, similar to bracts. Calyx 2-lipped, 6-7 mm, deeply divided, densely rusty pilose; abaxial lobes lanceolate; adaxial lobes slightly longer and broader

Corolla yellow with darker veins; standard oblong to suborbicular, 5-7 mm, margin pilose at base and with 2 appendages, apex retuse; wings oblong, 6-7 mm; keel ca. 8 mm, ± sharply angled near base, margins minutely woolly, apex extended into a long straight twisted beak. Legume rhombic to ovoid, 5-6 mm, 8-10-seeded, glabrous; stipe almost absent. Fl. Aug-Oct, fr. Nov-Dec.

From IBP:

Much branched herbs, up to 50 cm high; stems terete, pubescent. Leaves simple, 1.0-2.3 x 0.4-1.2 cm, oblong-obovate or obovate, cuneate at base, obtuse, rounded or retuse and slightly mucronate at apex, glabrous or glabrescent above, sericeo-pubescent beneath, margins involute, lateral nerves 3-6 pairs; subcoriaceous, up to 2.5 cm long; petioles 0.5-1.5 mm long, pubescent; stipules absent. Racemes terminal; peduncles 2-9 cm long, stout with few extra bracts. Flowers 3-7, 1.3-1.4 cm across; pedicels 2-3 mm long, pubescent, stout; bracts linear, 1.0-1.5 mm long pubescent; bracteoles 2, linear, ca 1.5 mm long, with few hairs. Calyx 5-lobed, tube ca 2 mm long, lobes 10.5-11.0 x 1-3 mm, piloso-pubescent, margins ciliate, 2-lipped, upper lip 2-lobed, lobes oblong-lanceolate, subacute at apex, divided to less than one fourth of its length, lower lip 3-lobed, lobes linear-lanceolate, acuminate at apex, divided to more than half of its length. Petals pale-yellow, equal to calyx or rarely very scarcely exserted; standard orbicular, 9-10 x 8-10 mm, retuse at apex, glabrous, claw 1.5 mm long, woolly; wing petals obovate or oblong, 8-10 x 2.5-3 mm, obtuse at apex, ridges to about half of its breadth, claw 1.0-1.5 mm long, woolly; keel petals ovate, 12.5-13.0 x ca 4.5 mm, margins ciliate, beak ca 4.5 mm long, straight, twisted. Staminal sheath 3-4 mm long; free filaments 2.5-5.0 mm long; anthers dimorphic, longer anthers linear-oblong, 2.5-3.0 mm long; shorter anthers, ovoid, 0.5-1.0 mm long. Ovary subsessile, oblong, ca 5 x 1 mm, narrowed above, glabrous; style 10-11 mm long, pilose throughout the length; stigma flat; ovules 22-44. Pods sessile, oblong, 1.3-1.5 x 0.6-0.7 cm, glabrous, brown; seeds 10-20.



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References:

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