foamflower

noun [专属名词]泡沫花

Foamflower, known as Tiarella cordifolia, is a native spring wildflower of the eastern States with starry white flower spikes and handsome lobed foliage.
泡沫花（学名：Tiarella cordifolia），又名“泡沫草”，是美国东部地区的本土春季野花，其花穗呈星状，花色为白色，叶片呈心形且有漂亮的裂片。