Centaurium pulchellum

Centaurium pulchellum (Sw.) Druce, Fl. Berkshire 342. 1898 ("1897") (Syn: (≡) Gentiana pulchella Sw. (basionym)) as per GRIN;
 
Small annual herb, branched from base with several stems; basal leaves lanceolate or elliptic, acute; cauline leaves elliptic-lanceolate, up to 25 mm long, acute to acuminate, entire; flowers pink, 8-14 mm long, many in biparous cymes; pedicel 2-3 mm long; calyx tubular with linear 5-8 mm long lobes; corolla tubular, tubue 6-10 mm long, lobes ovate-lanceolate, 4-6 mm long; capsule oblong, hidden in calyx.
    
As per efi thread:
Fortunately I have access to the document- 'Revision of the family Gentianaceae of North West Himalaya' by S.Garg (1982) based on which she later published "Gentianaceae of North West Himalaya: A Revision" (Garg 1988). The document says-
After seeing plenty of dried as well as fresh specimens, only two species have been ascertained in India which also occur in North West Himalayan region.
Key to species-
Leafy, fastigiate herbs. Pedicels 2-4 mm long....................................C.pulchellum
Simple, lax herbs. Pedicels 0.9-2.5 cm long .....................................C. meyeri
 
https://08511630493324166816.googlegroups.com/attach/d2e504f1cee814f2/Centaurium-pulchellum-Morni-1.jpg?part=0.1&view=1&vt=ANaJVrFrcFJp49i0DqHjUJBXgvQKxRbBA2oyeln0_NacUopgQ43K9WOZtSH6UV7BPRfk2_zxh7tkcAeEYdP8SFG1KDkwHTEjuqiksRY3dQjsZtUlPLR0mXE
 
Centaurium pulchellum from Morni, Haryana: Centaurium pulchellum (Sw.) Druce, Fl. Berks. 342. 1897
syn: Erythraea ramosissima (Vill.) Pers.; Gentiana pulchella Sw.; Gentiana ramosissima Vill. 
Usually a small annual herb with branches mostly from base or middle; leaves ellptic lanceolate up to 2.5 cm long, up to 1 cm broad, entire; flowers in dichasial cymes, pink; calyx tubular; corolla tubular, tube longer than
lobes, lobes ovate-lanceolate obtuse; capsule oblong, included in the calyx. A plant of mostly moist meadows.
Photographed from Chandrawal Resort, Morni, Haryana on April  9, 2011. 

https://08511630493324166816.googlegroups.com/attach/d5c04404e6ed9cee/DSCN0605.jpg?part=0.1&view=1&vt=ANaJVrG9aTxUX3hILccD-fCNrPMYCx78iAn9fttqGK36bI9H8g5mFGcy9BV5suAih0LPNDtbcVuIHQgl1PhjH3KZcRFhQh2o6YvNvwQBiqYO9f9uWdToFXQ
 
 
https://08511630493324166816.googlegroups.com/attach/d5c04404e6ed9cee/VSCN0622.jpg?part=0.3&view=1&vt=ANaJVrGRGbYO1t9sMhL37KJ9VzGa1LP7Y_94Z795W0VCrsFtEmfHLKnSSwSL-cNNC65inByiw9jliMs35wT8M6vHp0t7CKj-S9dleZ4CU9z8Ph0k_DlJK9Q

Yet another small herb found in the same uncultivated land.
Species : UNKNOWN
Habit & Habitat : small wild herb bearing very small pink flower, about one foot, uncultivated land
Date : 17-04-12, 9.20 a.m.
Place : Hooghly, WB

It doesn't look like Talinum fruticosum. This might be a plant that belong to the family Gentianaceae 
This can be Centaurium pulchellum I think...
My images very well match with those of available at -
http://commons.wikimedia.org/wiki/Centaurium_pulchellum
https://08511630493324166816.googlegroups.com/attach/ef8bf9bc207b3bc1/Centaurium%20pulchellum%20%20(4).JPG?part=0.1&view=1&vt=ANaJVrEVuQr9__NnZcv3GGMPuNcxAKWWikEY8uKjlVdORvo9pfarTHFeo4ZwlXmb-Jrfo3UGdiwXWiVb5V0zkoma3MewIc_ZW2PfWObSJjEatotdkTCEZew
https://08511630493324166816.googlegroups.com/attach/9d58fcd60ee492b6/Centaurium%20pulchellum%202012%20(1).JPG?part=0.2&view=1&vt=ANaJVrFjZzYseWSZJPKjoUwEbK7OoWZTiSBhgZpB7zlai5PCNGHdU5TZmf70_kvnt4PYx6NXf2uZSTvTvw1VMACKTxK20q85n_Ms4lMzb4kWsLwof3s7bBg
 
https://08511630493324166816.googlegroups.com/attach/9d58fcd60ee492b6/Centaurium%20pulchellum%202012%20(2).JPG?part=0.3&view=1&vt=ANaJVrGopSWI0PuSCA7UCQXP4OcsQXYiTIa8b2npwRVvMGSFIcByygaj4q_PgN6QZLlfpigjx3DXljl1O48YfzqpoiNa_t8GM_mIxywPG5UcYNqm5p-hCis
https://08511630493324166816.googlegroups.com/attach/9d58fcd60ee492b6/Centaurium%20pulchellum%202012%20(4).JPG?part=0.5&view=1&vt=ANaJVrHks_7HJ1-C_gNJR_Xnc5LyCuHG8FF7EcAQst52a11eVFzyjmjVozXunk5ayYOPiMFZwE02O0X03ypsik9zlYsvYhm1_ZXIpwnxqE60NeGpNgtcxJ8
https://08511630493324166816.googlegroups.com/attach/9d58fcd60ee492b6/Centaurium%20pulchellum%202012%20(3).JPG?part=0.4&view=1&vt=ANaJVrGrMINv0V9Zw7qjYABJ4WmpPIu_LvZM6Jdxei2qMHmnb_mMYsG_owDaY0_yva94Sn1i3prhtsvnbLfSbugi7Qo8YRY1vowfkcg45_CiYmFzrLAO_Ng
https://08511630493324166816.googlegroups.com/attach/9d58fcd60ee492b6/Centaurium%20pulchellum%202012%20(7).JPG?part=0.7&view=1&vt=ANaJVrHGLpQQpy_iMxWhgj_FXjUBGwrQ2Xn8qrBi-MeeGir6p_B6GCsPIZJUpmPGz6ppNVWfXreLJAY5ACCgkNrl5n72S5Le1N3_-tyDScng6-LvUmC0atM
 
https://08511630493324166816.googlegroups.com/attach/9d58fcd60ee492b6/Centaurium%20pulchellum%202012%20(6).JPG?part=0.6&view=1&vt=ANaJVrEbTCxygpKep_6hubt2_mlkxY8Do23lXM3dIv78TpKooS6oY5nrTrS7zsKpnQxUVMsMYFDM_IN6i5A2WP9DyLTgep8l8zWnh_CUg8iej5SCQNTweKQ

This one is Centaurium pulchellum (Sw.) Krause, Sturm. Fl. Deutsch 10: 14, 1903
An erect, small, glabrous, leafy herb. Leaves sessile, decussate, ascending, short-pointed, oblong. Flowers rosy, sometimes dull-white, in axillary and terminal clusters. Calyx tubular, sepals 5, lanceolate or linear. Petals 5, spreading, tube very short. Stamens 5, near the mouth of the corolla-tube. Capsule oblong, as long as or longer than the calyx, many-seeded. Seeds black.
Was shot from Yamuna river bank Panipat Distrit (Haryana), in April 2012

Yes ... I also have from Morni trip
https://08511630493324166816.googlegroups.com/attach/857958b2345cc419/Centaurium-pulchellum-Morni-4.jpg?part=0.3&view=1&vt=ANaJVrHPQxmulr88Ho_aeCQQlVLGYPH0CfRJvqtDo8FhpPtQNPebcRHjGM4EAPghsFhhemoAagWWxfjDCEkxE1123AeFrD2GN8pzEugUjOSCrVsg68zy_e8
Campanulaceae & Gentianaceae Week: Gentianaceae-Centaurium pulchellum from Morni hills: Centaurium pulchellum (Sw.) Druce, Fl. Berks. 342. 1897.
Syn: Erythraea ramosissima (Vill.) Pers.; Gentiana pulchella Sw.
Small annual herb, branched from base with several stems; basal leaves lanceolate or elliptic, acute; cauline leaves elliptic-lanceolate, up to 25 mm long, acute to acuminate, entire; flowers pink, 8-14 mm long, many in biparous cymes; pedicel 2-3 mm long; calyx tubular with linear 5-8 mm long lobes; corolla tubular, tubue 6-10 mm long, lobes ovate-lanceolate, 4-6 mm long; capsule oblong, hidden in calyx.
Photographed from Morni hills
https://08511630493324166816.googlegroups.com/attach/81f8b29185a14ad4/Centaurium_pulchellum_DSCN0609.jpg?part=0.2&view=1&vt=ANaJVrE7_uuv2-4t30O9OBMXzDjyO2rJ9KpD87z2kG7aEt9hzW5YZqZ1cX0HuAhS-N-_dczRQm-bgh9J285iRfMWyCzgHw-BnjK9wnxL6pqzUkGMLthlHOM
 
https://08511630493324166816.googlegroups.com/attach/81f8b29185a14ad4/Centaurium_pulchellum_DSCN0614.jpg?part=0.3&view=1&vt=ANaJVrFqoTQ2oNc3z__T7y55TUJlQTgH0l6fFtBFaTzQKwdlDPIKaGrPYO9mJcG44KBgXftAs4szdICpp5qQ87l6U1LdQYQhYqhxcn4XeAknIRdGMXLQlSs
https://08511630493324166816.googlegroups.com/attach/81f8b29185a14ad4/Centaurium_pulchellum_DSCN0649.jpg?part=0.4&view=1&vt=ANaJVrHIwKI-y-ij-i6C4RJMzW6D5QwmAJsbqsiNvWiHmuP_ngWkYQh59-USKJC4juBX1okQVO_updnAIi3_2O3b-z-wZj8L8xl7Hi3T2AflC4wDR7NETio
 
https://08511630493324166816.googlegroups.com/attach/81f8b29185a14ad4/Centaurium_pulchellum_DSCN0604.jpg?part=0.1&view=1&vt=ANaJVrFNdsb5qSkoQ1yNXTKV3Ngpl4_MSNiHkRxIb426VX1lrwN_IsWQMafsz3q9GyZEH_o2OQcphHpzB21lbeZbPpfpZhjzUQrkads_Gd_mna-c89IxSno

I have only one plant for this month's family week.... :'-(Species : Centaurium pulchellum (Sw.) Druce
Habit & Habitat : small herb in uncultivated land
Date : 17/3/12, 9.24 A.M.
Place : Gobra (Hooghly)
ID help :

 
https://08511630493324166816.googlegroups.com/attach/857958b2345cc419/Centaurium-pulchellum-Morni-3.jpg?part=0.2&view=1&vt=ANaJVrH2D558skW5ewExIhXpLEA9CYUEYaspU3rihPcLeS19B3hB0LH1jF_eYNYdZ118_UyGdq7Y8GUp61hBL5Q7IrinYJSwmVAg2Aq03xohLGCrt1dwHR0
Campanulaceae & Gentianaceae Fortnight: Gentianaceae-Centaurium pulchellum from Morni hills-GSJUL04: 1 post by 1 author. Attachments (3). Centaurium pulchellum (Sw.) Druce, Fl. Berks. 342. 1897. 
Syn: Erythraea ramosissima (Vill.) Pers.Gentiana pulchella Sw.
Small annual herb, branched from base with several stems; basal leaves lanceolate or elliptic, acute; cauline leaves elliptic-lanceolate, up to 25 mm long, acute to acuminate, entire; flowers pink, 8-14 mm long, many in biparous cymes; pedicel 2-3 mm long; calyx tubular with linear 5-8 mm long lobes; corolla tubular, tubue 6-10 mm long, lobes ovate-lanceolate, 4-6 mm long; capsule oblong, hidden in calyx.
Photographed from Morni hills 
This herb with lovely pink flowers was recoded from yamuna river bank in Panipat..
Centaurium pulchellum....
Yes ... Very good photographs.
This species probably have variation in colour of flowers from almost white to pink. Common here also but produce lightest pink flowers here in Pantnagar.
https://08511630493324166816.googlegroups.com/attach/5b667dbe8cb384/IMG-20150626-WA0000-1.jpg?part=0.1&view=1&vt=ANaJVrFpz6zpuxcwpf8E0WCpU1ioFvyKEK41XmOH7tLybyvwlch-RCDIhehWu9Cvs5m1ZKkYY-B1ChjJ1xEsrSu7ajrW3rNjM86RtIWQn0PrS2-QfcolMSo
 
Plant Id Kashmir : 4 posts by 4 authors. 
Attachments (1)
Pls help in ID of this caryophyllaceae plant. Grows at dry sites .. 1600 m altitude.
Any Gypsophila/ Silene ....
Not Caryophyllaceae!
Gentianaceae- some Canscora sp. I hope.
I thought Centaurium pulchellum.
Yes, should be C. pulchellum..

  
 
References:
GRIN  Flora of China (Centaurium pulchellum (Swartz) Druce)
Indian Gentianaceae: A Check-list By Sunita Garg (Centaurium pulchellum (Sw.) Druce syn: Erythraea ramosissima  var. pulchella (Sw.) Griseb.; Gentiana pulchella Sw.; Centaurium ramosissima (Pers.) Druce) 
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