A Sedoka is an unrhymed poem composed of two katauta. A katauta has three lines with the syllable pattern 5-7-7 and is complete in itself and able to stand alone. A Sedoka therefore has the syllable count: 5-7-7, 5-7-7.
field of red flowers
evokes memories of war
the names so long forgotten
call to arms remain
in Flander’s field the dead still lie
poppies with their crimson blush