Arrhenatherum elatius subsp. elatius
Common names
tall oat grass
Biostatus
Exotic
Category
Vascular
Structural class
Grasses
Detailed description
Tallish, erect, tufted, perennial grass. Roots fibrous, yellow to orange. Stems rounded, emerging leaves rolled; sheaths smooth with yellow to orange base. Leaves long and narrow, 100–400 × 4–10 mm, flat, harsh, dull bluish-green, with yellowish lines when held to light, usually with scattered hairs above, bitter taste. Ligule 1–3 mm long, membranous, white, serrate along edge. Seedhead a narrow panicle. Seeds large, oat-like, with papery covering and a spiky appearance (awned) (Weed Manager).
Habitat
Terrestrial.
Conservation status
Not applicable
Detailed taxonomy
Family
Ecology
Year naturalised
1871
Origin
Eurasia, Nth Africa
Reason for introduction
Agricultural
Life cycle and dispersal
Perennial.
Other information
NVS code
The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.
ARRESE