1. (noun) tall perennial grass of pampas of South America having silvery plumes and growing in large dense clumps

• pampas grass

1. (noun) tall perennial grass of pampas of South America having silvery plumes and growing in large dense clumps

• cortaderia
• genus cortaderia

1. (noun) tall perennial grass of pampas of South America having silvery plumes and growing in large dense clumps

• grass