What is "ichu"

Usage examples of "ichu".

Trees had been left behind long, long ago, and here there was not even a hint of a bush, not even of a prostrate bush, only the near-sterility of ichu grass stretching away and away for ever over this high stark plateau.

This allowed them to walk out dryfoot with their guns and spyglasses, leaving Molina on a long tether among the clumps of spiny ichu grass.

The guanaco neighed again, louder, still more shrill, stamped the tall spiky ichu grass with his front feet and began rearing and waving his head in a great passion, never yielding a foot as they approached.