American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts
同义词：pearly everlastingAnaphalis margaritacea
any of various plants of the genus Froelichia found in sandy soils and on rocky slopes in warmer regions of America; grown for their spikes of woolly white flowers
英汉双解大词典
cottonweed/ˈkɒtənˌwiːd/
1.
N（名词）
a downy perennial plant, Otanthus maritimus, of European coastal regions, having small yellow flowers surrounded by large hairy bracts: family Asteraceae (composites) 鼠麴草属植物