Is it a native?
Spear-grass - native (Austrostipa gibbosa)
Alternative names: Stipa gibbosa.
Native. Perennial. C3.
Family. Poaceae (Grass family).
- it has a usually contracted panicle
- spikelets have a single, awned lemma
- the lemma body is shorter than the glumes
- the leaf blade is flat or inrolled
- the flower clusters are to about 30cm long
- the nodes (along the stalk) are shortly hairy
- the lemmas are 4.5-6.5mm long (excluding the awn), deep reddish brown to black (when mature), and with white or yellow-brown hairs
- the glumes are 9-17mm long
- the lemma is asymmetrical, being lightly swollen on one side
- the awns are 25-45mm long and is twice bent
- the ligule is 0.3-0.5mm long.
It is uncommon, but may be locally abundant e.g. at Joyces Creek. It is a tall grass (a metre or more).
Photos: Flower spray and lemma with awn.