Rorippa sylvestris

 
  

Rorippa sylvestris (L.) Besser from Kashmir: Rorippa sylvestris (L.) Besser, Enum. Pl. 27. 1822.
Syn: Sisymbrium sylvestre L.; Nasturtium sylvestre (L.) R. Br.  
Common names: Yellow field cress, creeping yellow cress  
Easily differentiated from related species R. islandica and R. indica in larger flowers with petals distinctly longer than petals (nearly 1.5 times as long), narrower siliqua. 
Perennial procumbent herb with ascending to suberect branches, almost glabrous; leaves deeply pinnatisect, up to 15 cm long, lower petiolate, upper sessile, lobes oblong, lanceolate to linear, lateral lobes 3-6 on each side, number reduced to 1-3 in upper leaves; flowers deep yellow, in terminal racemes elongating to 15 cm in fruit; bracts absent; sepals 2-3 mm long, green or yellowish; petals obovate, 4-6 mm long; siliqua linear, 8-20 mm long, less than 1.5 mm broad, stigma capitate. 
Common in Kashmir along wet places, roadside ditches and wet meadows.

 
 
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https://08511630493324166816.googlegroups.com/attach/39c61918a12c4ee0/Rorippa-sylvestris-Cheshmashahi-IMG_7739-Kashmir-3.jpg?part=0.3&view=1&vt=ANaJVrFbNr33qP3AWZATXMJq38I9q37FilpbANixJxsLgLEsONei75-Mvj6yekBGHrXW1o0ZRY11ofS1Txg6GRQJRAHCYre8TAR33XMeg-t5bor2A0gNhiI
https://08511630493324166816.googlegroups.com/attach/39c61918a12c4ee0/Rorippa-sylvestris-Balgarden-IMG_6484-Kashmir-1.jpg?part=0.2&view=1&vt=ANaJVrETodRajuh6EqZjvZnRmpOPA4gu7sPGSuPLvK_I4GFYSHzxJvJufLL75CbRfaGVrRDrr_7uJNYU9Kf_dBZw-SqUB9oXJCsycbd-mw6o-BaxjGLtF4c
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Brassicaceae Week: Rorippa sylvestris (L.) Besser from Kashmir:  Rorippa sylvestris (L.) Besser, Enum. Pl. 27. 1822.
Syn: Sisymbrium sylvestre L.; Nasturtium sylvestre (L.) R. Br.
Common names: Yellow field cress, creeping yellow cress
Easily differentiated from related species R. islandica and R. indica in larger flowers with petals distinctly longer than petals (nearly 1.5 times as long), narrower siliqua. 
Perennial procumbent herb with ascending to suberect branches, almost glabrous; leaves deeply pinnatisect, up to 15 cm long, lower petiolate, upper sessile, lobes oblong, lanceolate to linear, lateral lobes 3-6 on each side, number reduced to 1-3 in upper leaves; flowers deep yellow, in terminal racemes elongating to 15 cm in fruit; bracts absent; sepals 2-3 mm long, green or yellowish; petals obovate, 4-6 mm long; siliqua linear, 8-20 mm long, less than 1.5 mm broad, stigma capitate.
Common in Kashmir along wet places, roadside ditches and wet meadows.
Another informative and detailed post. Good set of photographs covering almost all the aspects necessary for ID. 
 
  
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