Syngonanthus chrysanthus ‘Mikado’ cultivar.
This plant has dozens of tiny unscented flowers on the ends of stalks that are up to 35 centimeters tall. These flowers resemble shiny gold balls and when opened, have tiny, paper-thin cream color petals. Its long, narrow and slightly fuzzy leaves closely resemble grass. These leaves are between 2-4 centimeters long.
According to my reading, this cute little plant grows in tropical swamps in Santa Catarina, Brasil, which of course means the soil must acidic (peat, preferably) and must remain moist at all times. It also needs high humidity (70% or higher), warmth (19-22 degrees Celsius) and bright light [care guide PDF]