ink wash painting of a blue opuntia cactus with red flowers in black enso zen circle traditional oriental ink painting sumi-e, u-

opuntia cactus red flowers watercolor ink wash art succulent botanical nature flora desert plant bloom petals grey black asian style sumie minimalist simplicity elegant organic growth serene zen brush strokes tranquility contemporary wall decoration peaceful artistic characters stamp balance harmony subtle graceful tradition influence white background still life natural beauty meditative painting blue enso circle traditional oriental sumi-e u-sin go-hua hieroglyph