Wiktionary
cutty grass
n. (context informal New Zealand English) Any grass species of the genus (taxlink Austroderia genus) (formerly within genus (taxlink Cortaderia genus)), with sharp serrated edges.
Wikipedia
Cutty grass
Cutty grass is a common name for several grasses with sharp leaves which may inflict cuts:
- Austroderia
- Carex geminata
- Cyperus ustulatus
- Ficinia spiralis
- Gahnia grandis (syn. Cladium psittacorum)
- Gahnia setifola