what does Anaphalis margaritacea mean?

ANAPHALIS MARGARITACEA as NOUN

Meaning
- American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts
Synonym(s)
- cottonweed (what does cottonweed mean?)
- pearly everlasting (what does pearly everlasting mean?)
Hypernyms(s) Anaphalis margaritacea is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- everlasting (what does everlasting mean?)
- everlasting flower (what does everlasting flower mean?)