pampas grasspam·pas grass
a giant South American grass (Cortaderia selloana) cultivated for use as an ornamental and for its large, plumelike, silvery or pinkish panicles used in bouquets
Either of two tall ornamental grasses (Cortaderia selloana or C. jubata) native to South America and naturalized elsewhere, having large feathery inflorescences.
Origin of pampas grassAfter the pampa of south-central South America ; see pampa .
- The Pampas-Grass, a noble species, introduced from Buenos Aires; it forms huge tussocks, 4 or 5 ft.
- The so-called " pampas-grass " (Gynerium argenteum) is not found at all on the dry lands, but in the wet grounds of the south and south-west.