T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network

Restio festuciformis (Green Grass Reed) Exotic

Kingdom: Plantae
(Unranked): Angiosperms
(Unranked): Monocots
(Unranked): Commelinids
Order: Poales
Family: Restionaceae
Genus: Restio
Species: R. festuciformis
Binominal name: Restio festuciformis
Common name: Green Grass Reed, Groengrasriet

Restio festuciformis is a dioecious, South African reed that looks like a grass. It grows about 50 cm high with very fine, slightly branched stems that are always in motion with any wind. 
The plant stems are a bright green when young and they turning a golden-green when the flowers are forming. The bracts around the inflorescences are small, golden yellow. There is very little difference between the male and female plants.

The plant below was photographed at Tupare Public Gardens, New Plymouth

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/