Ū (Miscanthus floridulus) is an indigenous cane common in sunny places (especially on coastal cliff) in the lowlands. The stout stems were used as arrows and dart shafts, and for thatch sticks. Juice from the young shoots was dripped into eye ailments.
Whistler, W. Arthur. 2000. Plants in Samoan Culture: The Ethnobotany of Samoa. Isle Botanica. Honolulu, HI.)
bush edge, with Blechnum and Gleichenia
Cultivar: Morning Light
Invasive plant brought to park for duck blinds
About 4ft tall, surrounded by the same species
may be オギ.