Cannomois grandis H.P.Linder, S. African J. Bot. 77: 418 (2011);
.
Western Cape as per POWO;
.
Cannomois grandis from San Francisco Botanical Garden-GS07022023-5: 3 high res. images.
Cannomois grandis H P linder, Restionaceae, a Rush-like flowering plant Native of South Africa, photographed from San Francisco Botanical Gardens, June 2, 2019.
Yes, appears so as per
https://pza.sanbi.org/cannomois-grandis
https://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=2752
.
References:
POWO Catalogue of Life
https://pza.sanbi.org/cannomois-grandis
https://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=2752