pampas grass

Short definition from Wiktionary

Noun

1. 1
   Any of several species of tall-growing grass: Cortaderia selloana, including its cultivars.
2. 2
   Any of several species of tall-growing grass: Cortaderia jubata (Andean pampas grass, purple pampas grass, English pampas grass, pink pampas grass).
3. 3
   Any of several species of tall-growing grass: Other species of Cortaderia.
4. 4
   Any of several species of tall-growing grass: Saccharum ravennae (syn. Erianthus ravennae) (giant woolly-beard grass, hardy pampas grass, Ravenna grass, ekra).
5. 5
   Any of several species of tall-growing grass: Miscanthus sinensis (maiden silvergrass, maiden grass, Chinese silver grass, Korean uksae, susuki grass, Japanese pampas grass, Eulalia grass, zebra grass)