bead fern

Từ điển WordNet v3.1 - WordNet Dictionary

noun

beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe;
pinnately divided fronds show a slight tendency to fold when touched;
pinnules enclose groups of sori in beadlike lobes
• Syn:
sensitive fern, Onoclea sensibilis
• Hypernyms:
fern
• Member Holonyms:
Onoclea, genus Onoclea