pearly everlasting definitions

WordNet (r) 3.0 (2005)

n
1: an American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts [syn: pearly everlasting, cottonweed, Anaphalis margaritacea]

Merriam Webster's

noun Date: 1857 an everlasting (Anaphalis margaritacea) that has herbage covered with white woolly hairs and corymbose heads with white scarious involucres