Calathea 'Fusion White'Calathea leitzei Bianca has unique white variegation that makes each leaf look like a painted-on masterpiece. Her leaves fold up and down to follow the sun, so you'll get to admire her from all angles. Medium to bright indirect light. Calathea Leitzei. Also known as Calathea White Fusion, has extraordinary leaves, which look like brush strokes- white, lilac, and green. The underside is also purple, making it a highly decorative.