Botanical names: Setaria palmifolia, Panicum palmifolium
Common names: Palmgrass, Highland Pitpit
Family: Poaceae (Formerly:Poaceae / Gramineae)
Subfamily: Panicoideae
Origin: Asia
A large coarse evergreen grass to 6 feet tall with an equal spread. It has long broad pleated leaves that superficially resemble palm leaves. The inflorescence is a greenish cylindrical spike that stands above the leaves on a slender, arching stalk that reaches several feet above the foliage.
Link to this plant:
https://toptropicals.com/catalog/uid/setaria_palmifolia.htm