What is "stenostachys"

Stenostachys is a genus of plants in the grass family, found only in New Zealand. It is sometimes included in the genus Elymus.

1. Stenostachys deceptorix Connor - South I
2. Stenostachys enysii (Kirk) Barkworth & S.W.L.Jacobs - South I
3. Stenostachys gracilis (Hook.f.) Connor - North+ South Is
4. Stenostachys laevis (Petrie) Connor - North + South Is