I was trying to find botanical name of followinng plant and guess it as Beckmannia syzigachne or eruciformis.

But photo on web does not matching with my photo. I thought it can be subsp. but as per wiki, beckmannia has only two species.

Could someone advice me for ID?

Inflorescence

http://pics.livedoor.com/u/samvisham/4353603

Closer photo(length 1cm)

http://pics.livedoor.com/u/samvisham/4353604

Height:50cm

http://pics.livedoor.com/u/samvisham/4353605