Cape Bushman Grass or Tall Bushman Grass * Langbeenboesmangras * Stipagrostis Ciliata var. Capensis

By Dumbassman - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=92460254
Other Common Names
Afrikaans
Langbeenboesmansgras
Growwe twa

English
Cape Bushman Grass
Large Busman Grass

Sources:
(*) https://en.wikipedia.org/wiki/Stipagrostis_ciliata
(*) https://www.inaturalist.org/taxa/601253-Stipagrostis-ciliata-capensis