Erect perennial of wet woodlands of north america having leaves and flower buds resembling those of soapwort .
北美洲潮湿的林地中的多年生植物，叶子和花蕾类似肥皂草的叶和花。
European annual with pale rose-colored flowers ; cultivated flower or self-sown grainfield weed ; introduced in north america ; sometimes classified as a soapwort .
