Why was "tantrum" trending last week?
(Japanese: "standing flowers"), in classical Japanese floral art, a highly conventionalized and formal style of flower arranging. It is difficult to say when rikka became a distinct, recognized form, because it evolved over several centuries. The first rules for rikka arrangements may be traced back as far as the early 7th century, to the formulations of the Buddhist priest Ono no Imoko. However, rikka is often dated from the late 15th century, by which time it had clearly become a separate discipline through the influence of Senkei, a Buddhist priest and master of the Ikenobo school.