Another informative and detailed post. Good set of photographs covering
almost all the aspects necessary for ID.
Regards
Prashant

On Sun, Nov 11, 2012 at 7:00 AM, Gurcharan Singh <[email protected]> wrote:

> *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.
> --
> Dr. Gurcharan Singh
> Retired  Associate Professor
> SGTB Khalsa College, University of Delhi, Delhi-110007
> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
> Phone: 011-25518297  Mob: 9810359089
> http://www.gurcharanfamily.com/
> http://people.du.ac.in/~singhg45/
>
>  --
>
>
>
>

-- 



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